Complex numbers 8 - using De Moivre for root computations
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Description
Shows how to solve for cube roots, 4th roots and so on of complex numbers. Makes use of De Moivre's Theorem, but the focus is on a simple presentation style which shows why the result works.
More Episodes
A number of questions for students to test their understanding of the videos in this series followed by worked solutions.
Published 04/18/14
Looks at the computation of square roots using complex number algebra. This uses simple problems to establish an approach to such problem solving which subsequently can be applied to more complex root problems.
Published 04/18/14