Question

In a geometric series the first term is 12 and the sum to infinity is 36. Find the Common ratio.

Answer 1

Answer:

2/3

Step-by-step explanation:

The sum upto infinite terms of a G.P. is $\frac{a}{1-r}$

36 = 12/1-r

1 - r = 1/3

r = 2/3

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