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(1^(2).2)/(1!)+(2^(2).3)/(2!)+(3^(2).4)/...

`(1^(2).2)/(1!)+(2^(2).3)/(2!)+(3^(2).4)/(3!)+....=`

A

5e

B

7e

C

11e

D

`e//5`

Text Solution

Verified by Experts

The correct Answer is:
B
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