Question

the sum of the first six terms of GP is 9 times the sum of the first three terms find the common ratio​

Answer 1

If the sum of first 6 terms is 9 times to the sum of first 3 terms of the same G.P., then common ratio of the series will be. Solution: Let a be the first term and r be the common ratio of the GP. Hence option (2) is the answer.