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## Homework Statement

I want to know whats the formula to calculate the sum of the square root of integers from 1 to n.

I got an identity from wikipedia but its too complicated for me, it involves bernoulli's number, i don't know what is that.

## Homework Equations

## The Attempt at a Solution

In excel i managed to get a power regression and i got the formula 0.701n^(1.492), its kind of accurate but not 100%.

I hope someone could help me.

Thanks