Question

How do you find `abs(12-16i)`?

Answer 1

`abs(12-16i)=color(green)(20)`

Explanation:

The absolute value of a complex number is its distance from the origin (which can be calculated using the Pythagorean Theorem).

`abs(12-16i)=sqrt(12^2+(-16)^2)=sqrt(122+256)=sqrt(400)=20`