int(-1)^1x^n(5-x)dx when n is even =...

`int_(-1)^1x^n(5-x)dx` when `n` is even =

A

`2/(n+1)`

B

`10/(n+1)`

C

`2/((n+1)(n+2))`

D

`(-3)/(n+1)`

Verified by Experts

The correct Answer is:

B

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