Chapter A.7, Problem 12AYU

To determine

To write:The given expression in the standard form $a+ib$ .

Answer to Problem 12AYU

The given expression in the standard form $a+ib$ is $6+0i$ .

Explanation of Solution

Given information:

The expression is $\left(3-4i\right)-\left(-3-4i\right)$ .

Calculation:

Consider the expression.

$\begin{array}{c}\left(3-4i\right)-\left(-3-4i\right)=\left(3-\left(-3\right)\right)+\left(-4-\left(-4\right)\right)i\\ =\left(3+3\right)+\left(-4+4\right)i\\ =6+0i\end{array}$