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Multiplying Complex Numbers

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Imaginary Numbers - Basic Introduction

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Complex Numbers: Operations, Complex Conjugates, and the Linear Factorization Theorem

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Adding and Subtracting Complex Numbers

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Simplifying imaginary numbers to higher exponents

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Complex Numbers In Polar - De Moivre's Theorem

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Subtracting complex numbers | Imaginary and complex numbers | Algebra II | Khan Academy

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Trigonometry - Finding the roots of a complex number using DeMoivre's theorem