underset(n to oo)lim (1+a+a^(2)+.....+a^...

`underset(n to oo)lim (1+a+a^(2)+.....+a^(n-1))/(1+b+b^(2)+...+b^(n-1))=0` if

A

a=b

B

`1 lt a lt b`

C

`a gt b`

D

`a=2b`

Verified by Experts

The correct Answer is:

B

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