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lim (x to oo) sum (x=1)^(n) (sin ""(pi)/...

`lim _(x to oo) sum _(x=1)^(n) (sin ""(pi)/(2k) - cos "'(pi)/(2k) - sin((pi)/(2 (k +2)))+ cos (pi)/(2 (k +2)))=`

A

0

B

1

C

2

D

3

Text Solution

Verified by Experts

The correct Answer is:
D
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