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12-11-2020
Mathematics

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Determine weather the following is real or complex
i^6-122-7i^2

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12-11-2020

Answer:

Real

Step-by-step explanation:

i^6-122-7i^2

(i^2)^3-122-7i^2

(-1)^3-122-7×(-1)

-1-122+7

-123+7

-116

So the final answer is -116

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