Question

What is the 8th term of the geometric sequence where a1 = 1024 and a3 = 64?

Answer 1

First term is given:

a = 1024

third term is given:

a3 = 64

Firstly find the second term by using geometric mean;

\[G.M = \sqrt{a \times b}\]

a = 1024 and c = 64

can you find G.M from here??