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How do you find $abs(2 +5i)$ ?

1 Answer

Jul 19, 2016

$|2+5i|=sqrt29~=5.385$ .

Explanation:

$|x+iy|=sqrt(x^2+y^2)$ .

$:. |2+5i|=sqrt{2^2+5^2}=sqrt(4+25)=sqrt29~=5.385$ .

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