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int (sin 2x +cos 2x) dx = 1/sqrt2 sin (2...

`int (sin 2x +cos 2x) dx = 1/sqrt2 sin (2x-a)` then a =

A

`(5pi)/4`

B

`-(5pi)/4`

C

`pi/4`

D

`(3pi)/4`

Text Solution

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The correct Answer is:
B
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