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The sum of an infinite geometric series ...

The sum of an infinite geometric series is 6. If its first terms is 2, find its common ratio.

Text Solution

Verified by Experts

The correct Answer is:
`2/3`
`a/(1-r)=6 rArr 1/(1-r)=6rArr 1-r=1/3 rArr r=(1-1/3)=2/3`.
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