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If f(x)=(x)/(sqrt(1-x^2)) and g(x)=(x)/(...

If `f(x)=(x)/(sqrt(1-x^2)) and g(x)=(x)/(sqrt(1+x^2))`, then (fog)(x) ​ =

A

`dom fnephi anddom g=phi`

B

`dom f=phi anddom gnephi`

C

`dom f=phi anddom g=phi`

D

f and g have the same domain

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The correct Answer is:
A
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