The number of value of alpha in the in...

The number of value of `alpha ` in the interval `[-pi,0]` satisfying ` sin alpha +int_(alpha )^(2alpha) cos 2 x dx =0`, then

A

` alpha =0`

B

`alpha =0,-pi,-(pi)/(3)`

C

`alpha =(pi)/(6),(5pi)/(6)`

D

None of the above

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The correct Answer is:

A, B

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