Find the sum of the following geometric series :
0.15 + 0.015 + 0.0015 + … to 8 terms;
Given expression can also be written as
⇒
Common Ratio = r =
∴ Sum of GP for n terms = …(1)
⇒ , r = 10, n = 8
∴ Substituting the above values in (1) we get
⇒
⇒
⇒