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If y=f(x) =(x+2)/(x-1)(x ne 1,-2) then s...

If `y=f(x) =(x+2)/(x-1)(x ne 1,-2)` then show that `x=f(y)`

A

`x=f(y)`

B

`f(1)=3`

C

y increases with x for `x lt 1`

D

f is rational function of x

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The correct Answer is:
A
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