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What is the value of 5^3i^9​
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What is the value of 5^3i^9​

User Ronny Brendel
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1 Answer

5 votes

Answer:

125i

Explanation:

Assuming your i = √-1, this is ...

(5^3)(i^9) = 125(√((-1)^9)) = 125√-1 = 125i

_____

i^n ≡ i^(n mod 4)

i^9 ≡ i^1 = i

User Issathink
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