Mathematics
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zed111
  • Member for 10 years, 2 months
  • Last seen more than a week ago
  • United States
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All Questions Answers
Score Newest
answer
20
Proof of the inequality $\frac{a}{b+c}+\frac{b}{a+c}+\frac{c}{a+b} \geq \frac{3}{2}$
Jul 3, 2014
answer
6
Explain this inequality, related to logarithms
May 2, 2015
answer
6
The largest number that will perfectly divide $101^{100}–1$
Mar 15, 2015
question
5
Prove that $89|2^{44}-1$ [duplicate]
Jan 18, 2015
answer
5
Solving for $r$ in ${12\choose{r}}=924$
Jan 6, 2015
answer
4
Prove that a prime $p$ can be represented as the difference of two cubes if and only if it is of the form $p = 3k(k+1) + 1$ for some $k$.
May 3, 2015
question
4
Infinite number of pairs of distinct integers $(m,n)$ such that $\sigma(m^2)=\sigma(n^2)$
Mar 15, 2015
answer
3
Proving a basic cyclotomic identity
Oct 31, 2016
question
3
Simplifying a Vector Integral
Jul 5, 2014
answer
3
Finding the number of ways of picking three cards
Jul 11, 2015

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