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Let the straight line x= b divide the ar...

Let the straight line x= b divide the area enclosed by `y=(1-x)^(2),y=0, and x=0` into two parts `R_(1)(0lexleb) and R_(2)(blexle1)` such that `R_(1)-R_(2)=(1)/(4).` Then b equals

A

`(3)/(4)`

B

`(1)/(2)`

C

`(1)/(3)`

D

`(1)/(4)`

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Verified by Experts

The correct Answer is:
B
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