Q2 of 176 Page 20

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


⇒


⇒


⇒


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