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if f(x) =x/sqrt(1-x^(2)), then (fofof)(x...

if `f(x) =x/sqrt(1-x^(2))`, then (fofof)(x)=

A

`(x)/(sqrt(1+3x^(2)))`

B

`(x)/(sqrt(1-x^(2)))`

C

`(2x)/(sqrt(1+2x^(2)))`

D

`(x)/(sqrt(1+x^(2)))`

Text Solution

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The correct Answer is:
A
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