If you know the answer

Calculus Level 4

Evaluate the following sum :

∑ n = 1 ∞ n 25 2 n \sum_{ n=1 }^{ \infty }{ \frac { { n }^{25 } }{ { 2 }^{ n } } }


The answer is 213394730876951551651166996282.

Joel Yip by Joel Yip , 21, Singapore

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1 solution

Tapas Mazumdar
Feb 3, 2017

Joel Yip I want to know how did you solve this sum? I think it would be impossible to do it without the aid of a computer program or online tool.

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