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OpenStudy (anonymous):
abs(6-3i) it is 3squareroot5 but why? abs(6-3i) it is 3squareroot5 but why? @Mathematics
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OpenStudy (anonymous):
\[\left| 6-3i \right| is 3\sqrt{5}\]
myininaya (myininaya):
\[\sqrt{6^2+3^2}=\sqrt{36+9}=\sqrt{45}=\sqrt{9 \cdot 5} =3 \sqrt{5}\]
myininaya (myininaya):
\[|x+yi|=\sqrt{x^2+y^2}\]
OpenStudy (anonymous):
oh ok thanks
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