If int e ^(ax) ((1- beta sin x)/(1- cos ...

If `int e ^(ax) ((1- beta sin x)/(1- cos x)) dx =-e ^(x) cot ""(x)/(2)+ c, ` then `(alpha ^(2) + beta ^(2))/(2 alpha beta ) =`

A

`-1`

B

1

C

2

D

`-2`

Verified by Experts

The correct Answer is:

B

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