What is the value of 5^3i^9
1 answer:
Answer:
125i
Step-by-step explanation:
Assuming your i = √-1, this is ...
(5^3)(i^9) = 125(√((-1)^9)) = 125√-1 = 125i
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i^n ≡ i^(n mod 4)
i^9 ≡ i^1 = i
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