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(d)/(dx) {log ((x )/(e ^(tanx)))}=...

`(d)/(dx) {log ((x )/(e ^(tanx)))}=`

A

`1/x sin ^(2)x`

B

`1/x -sec ^(2)x`

C

`1/x -cot ^(2) x`

D

`1/x tan ^(2) x`

Text Solution

Verified by Experts

The correct Answer is:
B
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