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Consider the sequence : u(n) =sum (r=1)^...

Consider the sequence : `u_(n) =sum _(r=1)^(n) (r)/(2 ^(r)')n ge1` Then the limit of `u_(n)as n to oo` is:

A

1

B

e

C

`1/2`

D

2

Text Solution

Verified by Experts

The correct Answer is:
D
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