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(d)/(dx){(a-bcosx)/(a+ bcosx)}=...

`(d)/(dx){(a-bcosx)/(a+ bcosx)}=`

A

`(2ab sinx)/(a -b cos x)^(2)`

B

`(2 ab sinx)/((a+bcosx)^(2))`

C

`(ab sin x )/(a-b cos x)^(2)`

D

`(ab sin x)/(a-b cos x)^(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
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