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The sum of the series 2/(1.2)+5/(2.3)2^1...

The sum of the series `2/(1.2)+5/(2.3)2^1+10/(3.4)2^2+17/(4.5)2^3+....` upto n terms is equal :

A

`(n)/(n+1).2^(n+1)`

B

`(n+1)/(n).2^(n+1)`

C

`(n)/(n+1).2^(n)`

D

`(n+1)/(n).2^(n)`

Text Solution

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The correct Answer is:
C
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