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De Moivre's Theorem: Positive Powers
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Question in Content created by Newcastle University by Newcastle University Mathematics and Statistics

Find modulus and argument of two complex numbers. Then use De Moivre's Theorem to find positive powers of the complex numbers.
De Moivre's Theorem: $n$th roots of a complex number
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Question in Content created by Newcastle University by Newcastle University Mathematics and Statistics

Find modulus and argument of the complex number $z_1$ and find the $n$th roots of $z_1$ where $n=5,\;6$ or $7$.
De Moivre's Theorem: Negative Powers
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Question in Content created by Newcastle University by Newcastle University Mathematics and Statistics

Find modulus and argument of two complex numbers. Then use De Moivre's Theorem to find negative powers of the complex numbers.