# Difference between revisions of "AoPS Wiki talk:Problem of the Day/August 3, 2011"

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==Solution== | ==Solution== | ||

− | Since <math>\sum_{n=1}{\infty}\dfrac{5^n+n}{n} = \sum_{n=1}{\infty}\left(1+\frac{5^n}{n}\right)</math>, the sum diverges, since the sum is always greater than the index, due to constant 1. | + | Since <math>\sum_{n=1}^{\infty}\dfrac{5^n+n}{n} = \sum_{n=1}^{\infty}\left(1+\frac{5^n}{n}\right)</math>, the sum diverges, since the sum is always greater than the index, due to constant 1. |

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## Latest revision as of 03:39, 18 August 2011

## Problem

AoPSWiki:Problem of the Day/August 3, 2011

## Solution

Since , the sum diverges, since the sum is always greater than the index, due to constant 1.