passpadi

2002

Mathematics

JAMB

The sum to infinity of the series: 1 + (1/3) + (1/9) + (1/27) + ... Is

A.

11/3

B.

10/3

C.

5/2

D.

3/2

Correct Answer: 3/2

Explanation

S = a/1−r = 1/(1−1/3) = 1/(2/3) = 3/2

S = a/1−r = 1/(1−1/3) = 1/(2/3) = 3/2
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