Friday, July 3, 2015

College Algebra, Chapter 1, 1.4, Section 1.4, Problem 16

Evaluate the expression $(2 + 5i) + (4 - 6i)$ in the form of $a + bi$.


$
\begin{equation}
\begin{aligned}
&= (2 + 5i) + (4 - 6i)\\
\\
&= (2 + 4) + (5 - 6)i\\
\\
&= 6 - i
\end{aligned}
\end{equation}
$

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