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5/(3^2 7^2)+9/(7^2 11^2)+13/(11^2 15^2)+...

`5/(3^2 7^2)+9/(7^2 11^2)+13/(11^2 15^2)+....oo`

A

`1/8`

B

`1/36`

C

`1/54`

D

`1/72`

Text Solution

Verified by Experts

The correct Answer is:
D
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