If y=2x^(2)-1 then (1)/(x^(2))+(1)/(2x^(...

If `y=2x^(2)-1` then `(1)/(x^(2))+(1)/(2x^(4))+(1)/(3x^(6))+…infty` equals to

A

`-log((y-1)/(y+1))`

B

`-log((1+y)/(1-y))`

C

`-log((1-y)/(1+y))`

D

`-log((2+y)/(2-y))`

Verified by Experts

The correct Answer is:

A

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