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The value of S =(5)/(1^(2) .4^(2))+(11)/...

The value of S =`(5)/(1^(2) .4^(2))+(11)/(4^(2).7^(2))+(17)/(7^(2).10^(2))+ cdots oo` is

A

1

B

`1//2`

C

`1//3`

D

`1//4`

Text Solution

Verified by Experts

The correct Answer is:
C
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