Originally Posted by Jesus

Thanks for the hint

m ^2 x^m + 3 m x^m + 2 x^m = 0

(x != 0)

m^2 + 3m + 2 = 0

m = -1, m = -2

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How about:

Prove:

\sum_{n = 1}^{\infty} 1/n^s = 0 \iff \Real(s) = 1/2 where s != {-2,-4,-6...}


Nahh... just messing with you. Just state the name of the problem