If f(x) is a function satisfying f(1/x)+...

If `f(x)` is a function satisfying `f(1/x)+x^2f(x)=0` for all nonzero `x` , then evaluate `int_(sintheta)^(cos e ctheta)f(x)dx`

A

`sin (2theta)`

B

1

C

`sec theta - cos theta`

D

0

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The correct Answer is:

D

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