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

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

A

i

B

`i-1`

C

`-i`

D

0

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The correct Answer is:

B

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