JEE MATHEMATICS MCQ: COMPLEX NUMBERS

1 Easy

1 of 1

Application +4 | -1

i = \sqrt { - 1}

and

n

is a positive integer, then

{i^n} + {i^{n + 1}} + {i^{n + 2}} + {i^{n + 3}}

is equal to

View answer and explanation

Correct option: D

Option D (0) is correct because the sum of any four consecutive powers of

i

is always 0.

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\left|\sum\limits_{r=1}^n z_r\right|

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\alpha, \beta

\gamma

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