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The value of \(\sum_{n=1}^{13}\left(i^{n}+i^{n+1}\right), i=\sqrt{-1}\), is
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asked
Dec 8, 2021
in
Sets, relations and functions
by
anonymous
edited
Dec 8, 2021
by
deepak01
The value of \(\sum_{n=1}^{13}\left(i^{n}+i^{n+1}\right), i=\sqrt{-1}\), is
(A) i
(B) \(i-1\)
(C) 1
(D) 0
Ans(B)
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Dec 20, 2021
by
deepak01
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Ans: (B)
\(: \sum_{n=1}^{13}\left(i^{n}+i^{n+1}\right)=i-1\)
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