If y=lim(nrarroo)(1+x)(1+x^(2))(1+x^(4))...

If `y=lim_(nrarroo)(1+x)(1+x^(2))(1+x^(4))...(1+x^(2n))andx^(2)lt1`, then y' is equal to
a)1 b)`(1)/(1-x)` c)`(1)/(1+x)` d)`(1)/((1-x)^(2))`

A

1

B

`(1)/(1-x)`

C

`(1)/(1+x)`

D

`(-1)/((1-x)^(2))`

Verified by Experts

The correct Answer is:

D

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