Question

Can anyone help me answer this question?

In a geometric progression, the first term is 7, the last term 448 and the sum 889. Find
the common ratio.

Answer 1

common ratio (r) = 2

Explanation:

solution in picture

Answer 2

Explanation:

Given : In a GP the first term is 7

the last term is 448

and the sum 889

To find : Common ratio ? The number of terms is 7.

The common ratio is 2