Question

Which is equivalent to i^3?



A) -1
B) 1
C) 0
D) i
E) -i

Answer 1

Answer:

E) $-i$

Step-by-step explanation:

Extended Information on the Complex Number System

$\sqrt{-1} = i \\ -1 = {i}^{2} \\ -i = {i}^{3} \\ 1 = {i}^{4}$

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