Can You Solve a Quintic with Complex Roots? No? Then Watch!

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In this math video tutorial I solve a polynomial equation (quintic) with complex roots using Demoivre's theorem and the polar form of complex numbers. This math is helpful for engineering students who are learning imaginary numbers in both Cartesian and polar forms.
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Typo at 5:20 ... denominator should be 15, not 5

alllevelsmath
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Great video. I will show this to my students. Although they like to use degrees instead of radians. They find it better to visulize the example

varhaforsson
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There must be at least one who has trouble with math (according to the siren). “Emergency! What the hell are Argand diagrams and de Moivre’s formula? ARRGGH!” Lol

EukaryMo
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Nice.there is a guy dycelurd.he is a maths teacher just like you, maybe you should try working with him.very nice guy

joshuadiamond