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# Complex numbers

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Intro to the imaginary numbersIntro to the imaginary numbersSimplifying roots of negative numbersPowers of the imaginary unitPowers of the imaginary uniti as the principal root of -1

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Simplify roots of negative numbersGet 3 of 4 questions to level up!

Powers of the imaginary unitGet 3 of 4 questions to level up!

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Intro to complex numbersIntro to complex numbersClassifying complex numbers

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Parts of complex numbersGet 3 of 4 questions to level up!

Classify complex numbersGet 3 of 4 questions to level up!

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Plotting numbers on the complex planeThe complex plane

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Plot numbers on the complex planeGet 3 of 4 questions to level up!

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Adding complex numbersSubtracting complex numbers

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Add & subtract complex numbersGet 3 of 4 questions to level up!

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Multiplying complex numbersMultiplying complex numbersComplex number operations review

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Multiply complex numbers (basic)Get 3 of 4 questions to level up!

Multiply complex numbersGet 3 of 4 questions to level up!

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Solving quadratic equations: complex roots

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Solve quadratic equations: complex solutionsGet 3 of 4 questions to level up!