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10 questions from this quiz
Magnitude of the number
-π to π
r cis θ
|z1 z2| = |z1| |z2|
Powers of complex numbers
r cis(-θ)
|z1/z2| = |z1| / |z2|
Geometric interpretation
1/r cis(-θ)
arg(z1 z2) = arg(z1) + arg(z2)
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