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The sum of an infinite geometric series ...

The sum of an infinite geometric series with positive terms is 3 and the sums of the cubes of its terms is `(27)/(19)`. Then the common ratio of this series is

A

`(4)/(9)`

B

`(2)/(9)`

C

`(2)/(3)`

D

`(1)/(3)`

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The correct Answer is:
C
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