passpadi

2007

Mathematics

67ca00ce0c643c71d77dee1f

Find the sum to infinity of the series 2+3/2+9/8+27/32+......

A.

1

B.

2

C.

8

D.

4

Correct Answer: 8

Explanation

a=2r=3/4 S=a/(1-r) S=2/(1-3/4)=2/(1/4) S=2/1×4/1=8

a=2r=3/4 S=a/(1-r) S=2/(1-3/4)=2/(1/4) S=2/1×4/1=8
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