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If int(0)^(pi) x f (sin x) dx = A int (0...

If `int_(0)^(pi) x f (sin x) dx = A int _(0)^(pi//2) f(sin x) dx ,` then A is equal to

A

`pi/4`

B

`pi`

C

`0`

D

`2pi`

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The correct Answer is:
B
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If int_(0)^(pi)x f(sin x) dx = a int_(0)^(pi)f (sin x) dx , then a =

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underset is If int_(0)^( pi)xf(sin x)dx=A int_(0)^((pi)/(2))f(sin x)dx, then A

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MCGROW HILL PUBLICATION-DEFINITE INTEGRALS-Questions from Previous Years. AIEEE/ JEE Main Papers
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