Question

(C) The infinite series 3/10 + 3/8 + 15/32 + 75/128 + ............

Answer 1

Explanation:

First term,

a

, is

1/8

.

Common ratio,

r

, is

1/4

.

Sum of a G.P. to infinity is

a/1−r

which is

1 /8/1

−1/4

=

1/6