Questions (255)

 28 What is the meaning of the math symbol $\because$? 13 5 cards are chosen from a standard deck. What is the probability that we get all four aces, plus the king of spades? 8 Calculate $\lim_{(x,y)\to(0,0)}\tan(x)\sin(\frac1{|x|+|y|})$ 6 How is the missing digit calculated? 5 A box contains 10 balls, which are 6 W and 4 B. Assume you pick one by one, without replacement

Reputation (4,291)

 -2 Bayesian network probability diamond shape -2 How to calculate $\lim\limits_{x\to\infty} \frac{\log(x!)}{x\log(x)}$ -2 If a graph has less then $2n$ vertices, then it can't have $n$ spanning trees such that each pair is edge disjoint +5 Why do we care about the fact that a series converges, but not what it converges to?

 8 When should an equation be numbered when writing a paper? 8 Proof explanation: when to use a particular methodology of proof 5 Suppose that $\det(A) = 1$ , show $A=I$ 5 Why is the obelus sign $\div$ exclusively used in elementary school education 5 Could there be more than one correct answer for the indefinite integral $\int\tan x\,dx$?

Tags (154)

 50 calculus × 151 12 derivatives × 31 17 limits × 49 11 elementary-number-theory × 4 14 algebra-precalculus × 18 10 notation × 9 14 soft-question × 4 8 real-analysis × 26 13 linear-algebra × 59 8 proof-verification × 16