Choose the One Alternative That Best Completes the Statement or Answers

question 121

Multiple Choice

Choose the one alternative that best completes the statement or answers the question.
Find the value of the determinant.
- $$\left| \begin{array} { r r } 3 & - 1 \\- 1 & 2\end{array} \right|$$

• A) \(- 1\)
• B) 5
• C) \(- 5\)
• D) 7

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