Chapter 8 - Complex Numbers, Polar Equations, and Parametric Equations - Section 8.2 Trigonometric (Polar) Form of Complex Numbers - 8.2 Exercises - Page 364: 15

Answer

The sum of is $-3i$. See Graph I, the resultant $-3i$ is in RED.

Work Step by Step

The sum of $5 - 6i$ and $-5 + 3i$ is $-3i$. Refer to Graph I, the complex number, $5 - 6i$ and $-5 + 3i$ are in BLUE, while the resultant $-3i$ is in RED.