The sum of first three terms of a G.P. is 21 and sum of their squares is 189. Find the common ratio :

The sum of first three terms of a G.P. is (39)/(10) and their product is 1. Find the common ratio and the terms.

The sum of three numbers in G.P.is 21 and the sum of their squares is 189. Find the numbers.

The sum of first three terms of a G.P.is (39)/(10) and their product is 1. Find the common ratio and the terms.

The sum of first three terms of a G.P.is (13)/(12) and their product is . Find the common ratio and the terms.

The sum of first three terms of a G.P. is 15 and sum of next three terms is 120. Find the sum of first n terms.

The sum of first three terms of a G.P.is 13/12 and their product is -1. Find the G.P.

. The sum of the first three terms of an increesing G.P. is 21 and the sum of their squares is 189. Then the sum of its first n terms is

The sum of the first three terms of an increasing G.P. is 21 and the sum of their squares is 189. Then the sum of its first n terms is

The sum of the first three terms of an increasing G.P.is 21 and the sum of their squares is 189. Then the sum of the first n terms is