Let A={x//0 le x lt pi/2} and f: R rarr ...

Let `A={x//0 le x lt pi/2}` and `f: R rarr A` is an onto function given by `f(x)=tan^(-1) (x^(2)+x+lambda)` where

A

`lambda gt 0`

B

`lambda le 1/4`

C

`lambda = 1/4`

D

`lambda ge 1/8`

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The correct Answer is:

C

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