Question

write three terms of the G.P. when the first term 'a' and the common ration 'r' are given?
(I). a=4; r=3​

Answer 1

As we know that, in a G.P.-

a

n

=ar

n−1

Therefore,

(A) a=4;r=3

First term =4

a

2

=ar=4×3=12

a

3

=ar

2

=4×3

2

=3