How do you find $| 2 + 3 i |$ $abs( 2 + 3i )$ ?

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Answer 1 · 2016-05-12T12:31:54

$| 2 + 3 i | = \sqrt{13}$ $|2+3i|=sqrt13$

$| a + b i | = \sqrt{a^{2} + b^{2}}$ $|a+bi|=sqrt(a^2+b^2)$

Hence, $| 2 + 3 i | = \sqrt{2^{2} + 3^{2}} = \sqrt{4 + 9} = \sqrt{13}$ $|2+3i|=sqrt(2^2+3^2)=sqrt(4+9)=sqrt13$

How do you find |2+3i|abs( 2 + 3i )?