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If f(x)=x-x^2+x^3-x^4+... where |x| lt 1...

If `f(x)=x-x^2+x^3-x^4+...` where `|x| lt 1`, then: `f^-1(x)=`

A

`(x)/(1+x)`

B

`(x)/(x-1)`

C

`(1-x)/(x)`

D

`(1)/(x)`

Text Solution

Verified by Experts

The correct Answer is:
B
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MARVEL PUBLICATION-SETS, RELATIONS AND FUNCTIONS-MCQs
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  13. If f(x)=(1)/(x)-1 where x ne 0, then: f(1-x)=

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