Range of the function f(x)=sin^(-1)x+2ta...

Range of the function `f(x)=sin^(-1)x+2tan^(-1)x+x^(2)+4x+3` is

A

`[ pi , pi+8]`

B

`[-pi-2 , pi+8]`

C

`[-pi+2 , pi+8]`

D

`[-p+4 , -pi+6]`

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The correct Answer is:

A

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