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Question about the expected value of random variable, using expected value properties. Suppose that the number of children N of a randomly chosen family satisfies P(N = n) = 3 5(2 5)n P ( N = n) = 3 5 ( 2 5) n for n = 1, 2, 3... n = 1, 2, 3... Now suppose that a child is equally likely to be a .... Pumbing

Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. A mathematical sentence combines two expressions with a comparison operator to create a fact that may be either true or false. A mathematical sentence makes a statement about the r...I received this question from my mathematics professor as a leisure-time logic quiz, and although I thought I answered it right, he denied. Can someone explain the reasoning behind the correct solution? Which answer in this list is the correct answer to this question? All of the below. None of the below. All of the above. One of the above.Technically, the answer is yes. But the painter does much more than that. In fact, it is clear that while the painter must possess quite a large amount of skill in placing paint on canvas, this skill is the least relevant (while absolutely necessary) for the creative process of painting. So it is with mathematics.In mathematics, inequalities are a set of five symbols used to demonstrate instances where one value is not the same as another value. The five symbols are described as “not equal ...A First Course In Abstract Algebra-John B. Fraleigh, 7Ed would be very good. Share. Cite. Follow. answered May 9, 2016 at 8:01. Simple. 134 8. 1. This is more suitable for undergraduates than for graduate students.Topology (Undergraduate Texts in Mathematics) K. Jänich (Author), S. Levy (Translator) I should have also noted that many undergraduate students find the transition to these subjects difficult and they want to see and do problems. It doesn't hurt to make these two also available because cost is very reasonable.Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.. Visit Stack Exchange Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.. Visit Stack ExchangeAsk Question. On standards or conventions specific to mathematics as an academic discipline, and programs that lead to a degree in this field. For regular mathematics questions, visit our sister sites Math Stack Exchange and …Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.. Visit Stack Exchange A set of lines, each of which intersect the others, are either coplanar or share a single common point. geometry. solution-verification. induction. euclidean-geometry. solid-geometry. Anne Bauval. 33.2k. modified 24 mins ago. MathOverflow is for research level math questions. Math.stackexchange.com is not restricted to any particular level of difficulty (though one expects that it won't get much in the way of research level questions since those are at MO). There was a lot of feeling on SO and MO that it'd be good if there was a site for more …Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.. Visit Stack Exchange Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Method to difference between two continuous fractions and keep continued fraction form. elementary-number-theory. fractions. continued-fractions. Nishi. 1. modified 8 mins ago. 0 votes. 2 answers.Method to difference between two continuous fractions and keep continued fraction form. elementary-number-theory. fractions. continued-fractions. Nishi. 1. modified 8 mins ago. 0 votes. 2 answers. Reducing an inseparable polynomial over the same field to a separable polynomial over a field. Description: Let F be a field and p(x) a polynomial over F with multiple roots. Show that there is a polynomial q(x) over F whose distinct roots are the same as the distinct roots of p(x), ... polynomials. field-theory. Question about the expected value of random variable, using expected value properties. Suppose that the number of children N of a randomly chosen family satisfies P(N = n) = 3 5(2 5)n P ( N = n) = 3 5 ( 2 5) n for n = 1, 2, 3... n = 1, 2, 3... Now suppose that a child is equally likely to be a ...A constant in math is a fixed value. It may be a number on its own or a letter that stands for a fixed number in an equation. For example, in the equation “6x – 4 = 8,” both 4 and ...Revatio (Oral) received an overall rating of 7 out of 10 stars from 4 reviews. See what others have said about Revatio (Oral), including the effectiveness, ease of use and side eff...3 Answers. First consider the simplest case where a(x) = a a ( x) = a and b(x) = b b ( x) = b for all x x. Then the Leibniz formula becomes. d dx(∫b a f(x, t)dt) =∫b a ∂ ∂xf(x, t)dx d d x ( ∫ a b f ( x, t) d t) = ∫ a b ∂ ∂ x f ( x, t) d x. i.e. it is reduced to moving the derivative inside the integral. In this special case, the ...A set of lines, each of which intersect the others, are either coplanar or share a single common point. geometry. solution-verification. induction. euclidean-geometry. solid-geometry. Anne Bauval. 33.2k. modified 24 mins ago.Mar 28, 2014 · Math Stack Exchange's default style uses a light-colored page background, so avoid using light colors for text. Stick to darker colors like maroon, green, blue, and purple, and remember also that 7–10% of men are color-blind and have difficulty distinguishing red and green. In any case, I think the problem with your proof (at least with your geodesic argument), is that the exponential map, while it is a local diffeomorphisme on some neighborhood of $0_{\mathfrak g}$, isn't necessarily a local diffeomorphism near all points of $\mathfrak g$.Advertisement While in prison, cons are subject to the rules set by prison officials. If a con commits an infraction, he gets a hearing before the warden or some lower ranking offi...Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.. Visit Stack Exchange21. I am pursuing mathematics through distance education and I find that it takes me a long time to understand the concepts (e.g. sigma fields, …I have a hazy notion of some stuff in differential geometry and a better, but still not quite rigorous understanding of basics of differential topology. I have decided to fix this lacuna once for all.... differential-geometry. reference-request. differential-topology. book-recommendation. Harddaysknight. 2,271.The algebraic degree of a particular sum of algebraic numbers. Let p p be a prime number and let m m be a positive integer. We know that β:=p−1/m β := p − 1 / m is an m m -degree algebraic number (in fact, its minimal polynomial is pXm − 1 p X m − 1 ). I would like to prove that ... number-theory.Equality case in the Frobenius rank inequality. 3. Rank of the product of 3 matrices. 8. The rank and eigenvalues of the operator T(M) = AM − MA on the space of matrices. 2. On the rank inequality rank(A) + rank(A3) ≥ 2rank(A2) 2. Matrix rank inequality. Welcome to Mathematics Stack Exchange. Mathematics Stack Exchange is a question and answer site for people studying math at any level and professionals in related fields. It's built and run by you as part of the Stack Exchange network of Q&A sites. With your help, we're working together to build a library of detailed answers to every question ... A set of lines, each of which intersect the others, are either coplanar or share a single common point. geometry. solution-verification. induction. euclidean-geometry. solid-geometry. Anne Bauval. 33.2k. modified 24 mins ago.10. The Lebesgue integral is a generalization of the usual Riemann integral taught in basic calculus. If the Riemann integral of a function over a set exists then it equals the Lebesgue integral. So the Lebesgue integral of x2 x 2 over [0, 1] is just the old (1/3)13 − (1/3)03.Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.. Visit Stack ExchangeAdd a comment. 6. There are ways to calculate it, modulo is remainder counting basically. 7 = 2 mod 5 because 7 = 5 ∗ 1 + 2 12 = 2 mod5 because 12 = 5 ∗ 2 + 2 and so on, so if you want to calculate for example 73 = a mod 7 you can do this, that is want to get a, take 73 and continue subtracting 7 until you no longer can. 73 − 7 = 66, 66 ...Ask Question. On standards or conventions specific to mathematics as an academic discipline, and programs that lead to a degree in this field. For regular mathematics questions, visit our sister sites Math Stack Exchange and … Help to write the domain in a forma correct way. The question is simple: the domain of f(x, y) = ln( xy−−√ + 1) f ( x, y) = ln ( x y + 1) . Now this is just xy ≥ 0 x y ≥ 0, which means either x ≥ 0 x ≥ 0 and y ≥ 0 y ≥ 0 or y ≤ 0 y ≤ 0 and y ≤ 0 y ≤ 0. This is easy to say and ... calculus. analysis. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.. Visit Stack ExchangeIn the second case, A ′ is not right invertible, since the last row of A ′ D is completely zero for any D. Therefore A cannot be right invertible, since if AB = I, then A ′ (BC − 1) = CABC − 1 = CC − 1 = I. Conclusion: if A has a right inverse B, we must be in the first case, so A is (two-sided) invertible. P.S.I am very interested in mathematics, particularly mathematical physics, but I currently do not have access to an institution or any professors. ... You can also look on Math StackExchange (e.g., questions with the [book-recommendation] tag) for recommendations about books for either your particular interests, problem solving, proof …Okay, so everyone knows the usual methods of solving integrals, namely u-substitution, integration by parts, partial fractions, trig substitutions, and reduction formulas. But what else is there? E...Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their …Here's your chance to earn bonus Amex points for spending with Four Seasons. Update: Some offers mentioned below are no longer available. View the current offers here. It's new Ame...The second level is a course typically taken by upper level math, physics, and (sometimes) engineering students. At some colleges and universities, students may elect to skip the first level linear algebra course and begin with this level. [This was the case where I did most of my undergraduate work.Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.. Visit Stack ExchangeQ&A for people studying math at any level and professionals in related fields Stack Exchange Network Stack Exchange network consists of 183 Q&A communities including Stack Overflow , the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.. Visit Stack ExchangeMethod to difference between two continuous fractions and keep continued fraction form. elementary-number-theory. fractions. continued-fractions. Nishi. 1. modified 8 mins ago. 0 votes. 2 answers.Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.. Visit Stack ExchangeThe road to Cardiology fellowship can be a confusing one. Residency, with its breakneck pace and punishingly long hours, is already a Herculean challenge in and of itself. Simply c...The call from Consumer Reports is a more aggressive one than the CDC is making, as the second E. coli scare linked to lettuce this year spreads across the US. A major US consumer w...The vertices of a triangle are three random points on a unit circle. The side lengths are a, b, c. Show that P(ab > c) = 1 2. probability. integration. definite-integrals. intuition. geometric-probability. Dan. 21.5k.The call from Consumer Reports is a more aggressive one than the CDC is making, as the second E. coli scare linked to lettuce this year spreads across the US. A major US consumer w... This question is only concerned with a proof of the dimension formula using the Coquand-Lombardi characterization below. If you post something that doesn't ... ring-theory. commutative-algebra. noetherian. krull-dimension. dimension-theory-algebra. Martin Brandenburg. 163k. Solve your math problems using our free math solver with step-by-step solutions. Our math solver supports basic math, pre-algebra, algebra, trigonometry, calculus and … Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Reducing an inseparable polynomial over the same field to a separable polynomial over a field. Description: Let F be a field and p(x) a polynomial over F with multiple roots. Show that there is a polynomial q(x) over F whose distinct roots are the same as the distinct roots of p(x), ... polynomials. field-theory. A mathematical sentence combines two expressions with a comparison operator to create a fact that may be either true or false. A mathematical sentence makes a statement about the r...It might be a good idea to say something about the connection between the axiom of choice and the Banach-Tarski paradox. The reason the Banach-Tarski paradox is counterintuitive is that we expect that if you split up a sphere into finitely many pieces, the total "mass" of all the pieces is still the same - so you shouldn't be able to put those …Parameterisation that enforces positivity of linear combination of projections. I have a set of n vectors that form a basis for a subspace, vi. Suppose I take a linear combination w = ∑n i = 0viαi, αi ∈ R such that for a set of vectors, $... linear-algebra. vector-spaces.Spain’s Jobandtalent, a digital temp staffing agency startup which operates a dual-sided platform that matches temps with employers needing casual labor in sectors like ecommerce, ...President Trump bans travel to Europe for 30 days to combat coronavirus spread. Americans will be allowed to return home. President Donald Trump has ordered a ban on travel from Eu... Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. I have coordinates of 3d triangle and I need to calculate its area. I know how to do it in 2D, but don't know how to calculate area in 3d. I have developed data as follows. (119.91227722167969, 122.Emily Riehl's recently published book Category theory in context is a fantastic introductory text for those interested in seeing lots of examples of where category theory arises in various mathematical disciplines. Understand the examples from other branches of mathematics requires some mathematical maturity (e.g., a bit of exposure …Mar 3, 2024 · Reputation is a rough measure of: These friendly are an informal way of tracking your reputation within the community on a particular Stack Exchange. Reputation is capped at 200 per day, but remember that bounty awards and accepted answers are immune to this daily reputation cap. We make Stack Overflow and 170+ other community-powered Q&A sites. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.. Visit Stack ExchangeConsider A $\\Rightarrow$ B, A $\\models$ B, and A $\\vdash$ B. What are some examples contrasting their proper use? For example, give A and B such that A $\\models$ B is true but A $\\Rightarrow$ B is...Solve your math problems using our free math solver with step-by-step solutions. Our math solver supports basic math, pre-algebra, algebra, trigonometry, calculus and … Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Closed form of ∑ m=0∞ (a)mBp(b+m,c−b)zm m! ∑ m = 0 ∞ ( a) m B p ( b + m, c − b) z m m! with the Incomplete Beta function. This question comes from related “sum of incomplete gamma function” problems. Also,there are many research papers trying to make the Hypergeometric Incomplete. Here is one confluent example from ... Newest Questions - Mathematics Meta Stack Exchange. All Questions. Ask Question. 9,522 questions. Newest. Active. Filter. 2 votes. 0 answers. 95 views. …Prove that if p ≡ 7 (mod 8), the solutions to the congruence x2 − 34x + 1 ≡ 0 (mod p) are both quadratic residues modulo p. elementary-number-theory. modular-arithmetic. quadratic-residues.Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.. Visit Stack ExchangeStack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.. Visit Stack ExchangeMath Stack Exchange's default style uses a light-colored page background, so avoid using light colors for text. Stick to darker colors like maroon, green, blue, and purple, and remember also that …Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their …About. (Officially John M. Lee.) Professor Emeritus of math at University of Washington, Seattle; author of Introduction to Topological Manifolds, Introduction to Smooth Manifolds, Introduction to Riemannian Manifolds, and Axiomatic Geometry.Equality case in the Frobenius rank inequality. 3. Rank of the product of 3 matrices. 8. The rank and eigenvalues of the operator T(M) = AM − MA on the space of matrices. 2. On the rank inequality rank(A) + rank(A3) ≥ 2rank(A2) 2. Matrix rank inequality.

Emily Riehl's recently published book Category theory in context is a fantastic introductory text for those interested in seeing lots of examples of where category theory arises in various mathematical disciplines. Understand the examples from other branches of mathematics requires some mathematical maturity (e.g., a bit of exposure …. How much does it cost to get your nails done

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In any case, I think the problem with your proof (at least with your geodesic argument), is that the exponential map, while it is a local diffeomorphisme on some neighborhood of $0_{\mathfrak g}$, isn't necessarily a local diffeomorphism near all points of $\mathfrak g$.19. As a side comment, you should not cite this particular stackexchange answer unless you have a really good reason to cite it specifically. This is a standard topic in combinatorics ("compositions of n into k parts"), and it can be found in lots of textbooks. For example, it's in Section 1.2 of Stanley's Enumerative Combinatorics volume 1, as ...Questions tagged [mathematics] Ask Question. On standards or conventions specific to mathematics as an academic discipline, and programs that lead to a degree in …n) For n = 0 n = 0 there isn't any number greater then 0 and lesser or equal to n n, so the product is empty; the empty product is defined by convention as 1. It has many reasons. For example, we can have a power series: ex = ∑nxn/n! e x = ∑ n x n / n! and we would like the first term to be 1 1.44. This question is inspired by the popular "Best Sets of Lecture Notes and Articles". Indeed, I would like to collect a "big-list" of open source (that is, with LATEX L A T E X code available) high-quality (according to strictly mathematical and pedagogical standard) lecture notes or textbooks on as many mathematical topics as possible.R. geometry. There are exactly four compact manifolds with S2 × R S 2 × R geometry. They are. where M2 M 2 denotes the mapping torus of an orientation reversing isometry of the sphere S2 S 2. RP2 ×S1,M2 R P 2 × S 1, M 2 are both nonorientable. And RP2 ×S1 R P 2 × S 1 has orientable double cover S2 ×S1 S 2 × S 1.Spain’s Jobandtalent, a digital temp staffing agency startup which operates a dual-sided platform that matches temps with employers needing casual labor in sectors like ecommerce, ...A constant in math is a fixed value. It may be a number on its own or a letter that stands for a fixed number in an equation. For example, in the equation “6x – 4 = 8,” both 4 and ... Stack Exchange Q&A communities are different. Here's how: Expert communities. Each of our 182 communities is built by people passionate about a focused topic. The right answer. Right on top. Experts like you can vote on posts, so the most helpful answers are easy to find. Share knowledge. Earn trust. 19. As a side comment, you should not cite this particular stackexchange answer unless you have a really good reason to cite it specifically. This is a standard topic in combinatorics ("compositions of n into k parts"), and it can be found in lots of textbooks. For example, it's in Section 1.2 of Stanley's Enumerative Combinatorics volume 1, as ...Approach0 is a math-aware search engine. “Math-aware” means you can add math expression (s) as some of your keywords to have search engine help you find similar expressions. Check out here: https://approach0.xyz. To restrict matches to this site paste the string "AND site:math.stackexchange.com" into the search window (this … Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. $\begingroup$ @Om3ga Incidentally, there are at least three different Discord servers of significant size "called 'Mathematics' where people can ask for help to certain questions.", in addition to others not named "Mathematics" (e.g. general STEM help servers - advanced math servers - subject-area-specific servers - servers for math people at a ...Mathematics Stack Exchange. Help center. Asking. What topics can I ask about here? What to ask here. Mathematics Stack Exchange is for people studying …Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.. Visit Stack ExchangeStack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.. Visit Stack ExchangeThe first derivative is f ′ (x) = ex − 1 − 1 and the second derivative is f ″ (x) = ex − 1. f is convex everywhere because f ″ (x) > 0, and has a minimum at x = 1. Therefore x ≤ ex − 1 for all x, and the equation is only equal when x = 1. Using this inequality we get. x1 a x2 a ⋯xn a ≤ ex1 a − 1ex2 a − 1⋯exn a − 1.A mathematical sentence combines two expressions with a comparison operator to create a fact that may be either true or false. A mathematical sentence makes a statement about the r...Stack Exchange - Wikipedia. Stack Exchange is a network of question-and-answer (Q&A) websites on topics in diverse fields, each site covering a specific topic, ….

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