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Find the sum of the series 1/(3^2+1)+1/(...

Find the sum of the series `1/(3^2+1)+1/(4^2+2)+1/(5^2+3)+1/(6^2+4)+oo`

A

`13/36`

B

`12/36`

C

`15/36`

D

`18/36`

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The correct Answer is:
A
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