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Fermat
  • Member for 7 years, 11 months
  • Last seen more than a month ago
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You have one question to tell whether the number I'm thinking of is 1, 2, or 3
Sep 7, 2018
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139
Proof that every number ≥ $8$ can be represented by a sum of fives and threes.
22
Calculate $\sum_{k=1}^n \frac 1 {(k+1)(k+2)}$
11
Does there exist a continuous function $f$ such that $f(x)+f(x^2)=x$ for $x\in[0,1]$?
9
How do you solve $10^{-3/20}$ as $1/2^{1/2}$?
8
Showing divergence for $\sum^\infty_{n=1} \bigl(1-\cos (1/\sqrt n)\bigr)$