Answer
$5$
Work Step by Step
Let $A=\begin{vmatrix} 3 & 4\\ 1 & 3 \end{vmatrix}$, we have
$|A|=3(3)-4(1)=5$
Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0-32193-104-1
ISBN 13:
978-0-32193-104-7
Chapter 10 - Systems of Equations and Inequalities - Chapter Review - Review Exercises - Page 815: 26
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