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If y = tan [tan^(-1) x + cot^(-1) (x+1)...

If ` y = tan [tan^(-1) x + cot^(-1) (x+1)]` then dy/dx =

A

`x^(2)+x+1`

B

2x+1

C

2x

D

2x-1

Text Solution

Verified by Experts

The correct Answer is:
B
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