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If f(x) = f(pi + e - x) and inte^(pi) f(...

If `f(x) = f(pi + e - x) and int_e^(pi) f(x) dx = 2/(e + pi)`, then `int_e^(pi) xf(x) dx` is equal to

A

`pi-e`

B

`(pi+e)/2`

C

1

D

`(pi-e)/2`

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The correct Answer is:
C
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