Question

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

Answer 1

`sqrt26`

Explanation:

`"given the complex number "z=x+-yi`

`"then the magnitude is"`

`•color(white)(x)|z|=|x+-yi|=sqrt(x^2+y^2)`

`5-itox=5" and "y=-1`

`|5-i|=sqrt(5^2+(-1)^2)=sqrt26`