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If int (sin2x-cos2x)dx=1/sqrt2sin(2x-a)+...

If `int (sin2x-cos2x)dx=1/sqrt2sin(2x-a)+b` then

A

`a=(5pi)/(4),b in R`

B

`a=-(5pi)/(4),b in R`

C

`a=(pi)/(4), b in R`

D

none of these

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The correct Answer is:
B
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