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Let f:(-infty,1]to(-infty,1] such that f...

Let `f:(-infty,1]to(-infty,1]` such that f(x)=x(2-x). Then `f^(-1)(x)`

A

`1+sqrt(1-x)`

B

`1-sqrt(1-x)`

C

`sqrt(1-x)`

D

None of these

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The correct Answer is:
B
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