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The sum of the series 1+(1+2)/(2!)+(1+...

The sum of the series
`1+(1+2)/(2!)+(1+2+2^(2))/(3!)+(1+2+2^(2)+2^(3))`+…is

A

`e^(2)`

B

`e^(2)+e`

C

`e^(2)-e`

D

`e^(2)-e-1`

Text Solution

Verified by Experts

The correct Answer is:
C
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