Thursday 2 August 2018

summation - Expression of the sum of a series

I am unable to calculate the expression of the sum of the series $1^{3/2} + 2^{3/2} + \cdots + n^{3/2}$. Could you please help me finding the answer.

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real analysis - How to find $lim_{hrightarrow 0}frac{sin(ha)}{h}$

How to find $\lim_{h\rightarrow 0}\frac{\sin(ha)}{h}$ without lhopital rule? I know when I use lhopital I easy get $$ \lim_{h\rightarrow 0}...