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If int0^1 sinx/(1+x)dx=K the the value...

If `int_0^1 sinx/(1+x)dx=K` the the value of `int_(4pi-2)^(4pi)sin(x/2)/(4pi+2-x)dx` equals

A

`(alpha)/(2)`

B

`-alpha`

C

`-alpha//2`

D

`alpha`

Text Solution

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The correct Answer is:
B
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