1 If are in A P where for all i then the value of is ........

1. If $\partial 1,\partial 2,\partial 3......\partial n$ are in A.P. where $\partial i> 0$ for all i, then the value of

$\frac{1}{\sqrt{\partial 1}+\sqrt{\partial 2}}+\frac{1}{\sqrt{\partial 2}+\sqrt{\partial 3}}+......+\frac{1}{\sqrt{\partial n-_{1}}+\sqrt{\partial n}}$ is

$\frac{1}{\sqrt{\partial 1}+\sqrt{\partial n}}$

$\frac{1}{\sqrt{\partial1 }-\sqrt{\partial n}}$

$\frac{n}{\sqrt{\partial 1}-\sqrt{\partial n}}$

$\frac{n-1}{\sqrt{\partial 1-}\sqrt{\partial n}}$

Explanation:

$\frac{n-1}{\sqrt{\partial 1-}\sqrt{\partial n}}$

By: Swaminath Yadav

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1 If are in A P where for all i then the value of is ........

Explanation:

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