Operations With Imaginary Numbers and Polynomial Division

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-6

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5i

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What is the result of multiplying (2 - 5i)(2 + 5i)?

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29

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-49

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-12

Front

What is the definition of an imaginary number?

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-1

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-i

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1

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What is the formula for polynomial long division?

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Divide the leading term of the dividend by the leading term of the divisor, multiply the entire divisor by this result, subtract, and repeat.