#### Sum of infinite number of terms in GP is 20 and sum of their square is 100. The common ratio of GP is Option 1) Option 2) Option 3) Option 4)

As we learnt in

Sum of infinite terms of a GP -

- wherein

first term

common ratio

Let the GP be

(i)

Similarly

(ii)

Option 1)

This option is incorrect.

Option 2)

This option is correct.

Option 3)

This option is incorrect.

Option 4)

This option is incorrect.