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The sum of first n terms of the series ...

The sum of first n terms of the series
`(4)/(3),(10)/(9),(28)/(27),(82)/(81),(244)/(243),...` is

A

`n+(1)/(2)(1+3^(-n))`

B

`n-(1)/(2)(1+3^(-n))`

C

`n+(1)/(2)(2+3^(-n))`

D

`n+(1)/(2)(1-3^(-n))`

Text Solution

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The correct Answer is:
D
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