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If f(x)=x tan^(-1) x,"then " dy/dx=...

If `f(x)=x tan^(-1) x,"then " dy/dx=`

A

` 2`

B

` 1+ ( pi)/( 4) `

C

`(1)/(2)+(pi)/(4) `

D

` (1)/(2) -(pi)/(4) `

Text Solution

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The correct Answer is:
A
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