Find the Cofactor of the Indicated Element $\mathrm{a} 13$ $\left|\begin{array}{rrr}-2 & -1 & 0 \\4 & 1 & 3 \\1 & 2 & 2\end{array}\right|$

question 142

Multiple Choice

Find the cofactor of the indicated element.
- $\mathrm{a} 13$
$\left|\begin{array}{rrr}-2 & -1 & 0 \\4 & 1 & 3 \\1 & 2 & 2\end{array}\right|$

• A) 5
• B) \(- 7\)
• C) 7
• D) \(- 4\)

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Definitions:

Contrapositive

A logical statement formed by negating and swapping the positions of the hypothesis and conclusion of the converse of a conditional statement.

Amelodic

Lacking a coherent melody or not based on traditional harmonic structures.

Subcontraries

In logic, two propositions that can both be true but cannot both be false, used particularly in the context of categorical propositions.

Contradictories

Logical opposites, where one statement denies the truth of the other statement.