Which of the following is equivalent to the to complex number i^21

Question

asked Mar 4, 2021 52.0k views

1 Answer

Alexey Chuhrov · Answer 1 · 2021-03-08T08:23:15+0000

Answer:

i

Explanation:

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Notice that i^4 = 1.

Factoring i^21, we get (i^20)(i^1) = (1)^20i = i