alleryFind the value of i^(-39).
Ai
B-i
C1
D-1
Answer & Solution
Correct answer: A. i
i⁻³⁹ = 1/i³⁹.
Compute i³⁹: i^(4×9 + 3) = i³ = -i.
We have **So i⁻³⁹ = 1/(-i).
That is **So i⁻³⁹ = -1/i · i/i.
That is **So i⁻³⁹ = -i/(-1).
So **So i⁻³⁹ = i.**.
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