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Aug
21
answered What was the first bit of mathematics that made you realize that math is beautiful? (For children's book)
Jun
20
asked Existence of sets with four common elements among 16000 sets.
May
25
answered Meaning of dot symbol “·” in this context?
May
16
answered What is the most fundamental trigonometric function: cosine or sine?
May
11
answered Prove that the following limit exists and find it!
May
11
answered Inscribed Angles in Two Cyclic Quadrilaterals
May
10
answered Generalization of Binomial Coefficients Congruence
May
7
answered Inverse Identity + Constant Matrix
May
7
answered Find the determinant of the following;
May
4
answered Partial sums for a power series
May
4
answered Prove That $f(n+f(n))=n$
May
4
answered How to prove this identity?(perhaps related to partition)
May
3
answered How do I find the equation of a line that passes through point and two skew lines
May
3
answered Prove that a graph with $n$ vertices and less than $n$-1 edges, is disconnected.
May
3
answered What's the behavior of $\displaystyle\sum_{n=1}^\infty (z+\sqrt{5}+2i)^{n!}$ outside its radius of convergence?
May
3
answered If $f$ differs from a uniformly continuous function by less than $\epsilon$ for any $\epsilon$, then $f$ is uniformly continuous
Apr
22
answered Squares modulo 2^n
Apr
21
answered Suppose $\{f_n\}$ is a sequence of functions with $f_n $ bounded. If $\{f_n\}$ converge point-wise to $f$ then $f$ is bounded?
Apr
19
answered Why do we call primes, and not the number one, *the atoms of numbers*?
Apr
17
asked Infinitesimal multiplication