How do you find the absolute value of 5-2i?

May 23, 2016

Absolute value of $5 - 2 i$ is $\sqrt{29}$.

Explanation:

Absolute value of a complex number $a + i b$ is

$\sqrt{{a}^{2} + {b}^{2}}$

Hence absolute value of $5 - 2 i$ is

$\sqrt{{5}^{2} + {2}^{2}} = \sqrt{29}$