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The coefficient of x^8 in the expasnsion...

The coefficient of `x^8` in the expasnsion of `(1+(x^2)/(2!)+(x^4)/(4!)+(x^6)/(6!)+(x^8)/(8!))^2` is

A

`1/135`

B

`2/315`

C

`3/105`

D

`1/210`

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The correct Answer is:
A
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