Mathematics
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kobe
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All Questions Answers
Score Newest
answer
70
How to prove that $\sqrt[3] 2 + \sqrt[3] 4$ is irrational?
Mar 26, 2015
answer
33
How to prove $\sum_{n=0}^{\infty} \frac{1}{1+n^2} = \frac{\pi+1}{2}+\frac{\pi}{e^{2\pi}-1}$
Jan 19, 2015
answer
28
How to prove the Squeeze Theorem for sequences
Feb 5, 2015
answer
23
Intersection of two open dense sets is dense
Feb 11, 2015
answer
22
Anybody know a proof of $\prod_{n=1}^\infty\cos(x/2^n)=\sin x/x$.
Mar 18, 2015
answer
20
Find sum of infinite anharmonic(?) series
Nov 22, 2015
answer
18
Apparent counter example to Stoke's theorem?
Feb 24, 2015
answer
18
Why is $-5^2=-25$?
Mar 9, 2015
answer
17
Summation stuck under radical sign
Jul 14, 2015
answer
17
Deriving the Poisson Integral Formula from the Cauchy Integral Formula
Mar 20, 2015
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