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If f(x)=(x-3)/(x+1) then f[f{f(x)}] equa...

If `f(x)=(x-3)/(x+1)` then f[f{f(x)}] equals

A

x

B

`-x`

C

`x/2`

D

`-1/x`

Text Solution

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The correct Answer is:
A
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