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Magnitude and Distance

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Explanations 1

Given a complex number z=a+biz = a + biz=a+bi, its magnitude is ∣z∣=a2+b2|z| = \sqrt{a^2+b^2}∣z∣=a2+b2 We denote magnitude as |z|, just like absolute value. Reasoning: If z is …
By Vincent Huang

Problems 2