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The value of the sums sum(n=1)^13 (i^n+i...

The value of the sums `sum_(n=1)^13 (i^n+i^(n+1)),` where `i=sqrt-1` is : (a) `i` (b) `i-1` (c) `-i` (d) `0`

A

i

B

`i-1`

C

`-i`

D

0

Text Solution

Verified by Experts

The correct Answer is:
B
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