A continuously differentiable function p...

A continuously differentiable function `phi(x)in (0,pi//2)` satisfying `y'=1+y^(2),y(0)=0`, is

A

` Y= tan x `

B

` y= x(x- pi )`

C

`y= (x- pi ) ( 1 - e^(x))`

D

not possible

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The correct Answer is:

A

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