Question

- The nth term of a G.P ist = 3.2n+1 then common ratio of
the G.P.is​

Answer 1

Given series in G.P. is a

m−n

,a

m

,a

m+n

.

Let the common ratio be r.

Common ratio will be r=

a

m−n

a

m

=

a

m

a

m+n

⇒r=a

m−m+n

=a

m+n−m

⇒r=a

n

Thus, common ratio is a

n

.