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

The value of `sum_(k=1)^(13)(i^(n)+i^(n+1))`, where `i=sqrt(-1)` equals :

A

`i`

B

`i-1`

C

`-i`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
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