Question
Multiple Choice If $z=x+y i$ is a complex number, then the magnitude of $z$ is:(a) $x^{2}+y^{2}$(b) $|x|+|y|$(c) $\sqrt{x^{2}+y^{2}}$(d) $\sqrt{|x|+|y|}$
Step 1
The magnitude (or modulus) of a complex number $z=x+yi$ is given by the formula $\sqrt{x^{2}+y^{2}}$. Show more…
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