Find the Determinant of the Matrix by the Method of Expansion

question 17

Multiple Choice

Find the determinant of the matrix by the method of expansion by cofactors.Expand using the column 2.​ $$\left[ \begin{array} { c c c } - 3 & 2 & 1 \\4 & 5 & 6 \\2 & - 3 & 1\end{array} \right]$$ ​

• A)-75
• B)75
• C)-73
• D)-74
• E)-76

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Definitions:

Maturity

The state of being fully grown or developed in physical, mental, or emotional aspects.

Defendant

An individual, company, or institution sued or accused in a court of law.

Civil Lawsuit

A legal proceeding initiated by one party against another over a civil matter, such as contracts, torts, or property disputes.

Criminal Prosecution

The process by which a person is charged, tried, and possibly convicted by the judicial system for a crime.