Find the Cofactor of the Indicated Element $a_{22}$ $\left|\begin{array}{rrr}1 & 1 & 4 \\-2 & -1 & 1 \\4 & 3 & 1\end{array}\right|$

question 420

Multiple Choice

Find the cofactor of the indicated element.
$a_{22}$
$\left|\begin{array}{rrr}1 & 1 & 4 \\-2 & -1 & 1 \\4 & 3 & 1\end{array}\right|$

• A) 13
• B) 15
• C) -15
• D) -13

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