Reputation
32,089
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238/100 score
19/20 answers
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4 88 178
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Dec
22
reviewed Approve construct an equilateral triangle with out knowing its scale
Feb
2
reviewed Excellent A question on complex numbers
Feb
2
reviewed Excellent Planar and non-planar graphs, and Kuratowski's Theorem
Feb
2
reviewed Excellent Limit Computation of $(e^x+x)^{1/x}$ as $x$ approaches zero
Feb
2
reviewed Approve Is the expression $\sum_{n=1}^{\infty}\prod_{k=1}^{n}\left(1-\frac{2}{3k}\right)$ bounded?
Jan
28
reviewed Approve The set of all positive values of $a$ for which the series $\sum_{n=1}^\infty ((1/n) - \tan^{-1}(1/n))^a$ converges
Jan
28
reviewed Approve LCM. What am I missing?
Jan
23
reviewed Approve Intuition behind the convolution of two functions
Jan
23
reviewed Close Powers of a greatest common denominator
Jan
23
reviewed Close Find the maximum value of product given the sum
Jan
21
reviewed Approve basic number theory question (gcd)
Jan
21
reviewed Approve Probability of obtaining x balls when drawing y bags from a set
Jan
21
reviewed Approve Complex number second degree function
Jan
21
reviewed Edit Book recommendation for Integer partitions and q series
Jan
19
reviewed Approve Derivative of $\sqrt{\sin x^2}$
Jan
17
reviewed Edit Proof of the identity $\sum_{k=0}^{\min[p,q]}{p\choose k}{q\choose k}{n+k\choose p+q}={n\choose p}{n\choose q}$
Jan
16
reviewed Approve Geometric Distribution question
Jan
16
reviewed Edit Ideas To Show this statement: $\prod_2^{2n+1}(1-k^{-2})=(n+1)/(2n+1)$
Jan
16
reviewed Reject Ideas To Show this statement: $\prod_2^{2n+1}(1-k^{-2})=(n+1)/(2n+1)$
Jan
16
reviewed Approve If $f^{-1}$ has nowhere zero derivative, then $f$ is differentiable