Question

The sum of an infinite number of terms of a G.P. is 15
and the sum of their squares is 45. Find the G.P.​

Answer 1

Answer:

after finding value of r

find value of (a)

put value of r in equation 2

a=15-15*2/3

a=5

now put value of a and r in GP series of

a,ar,ar²,ar³.........