Find the Value of the Determinant $$\left| \begin{array} { l l } 1 & - 6 \\8 & - 9\end{array} \right|$$

question 313

Multiple Choice

Find the value of the determinant.
- $$\left| \begin{array} { l l } 1 & - 6 \\8 & - 9\end{array} \right|$$

• A) 66
• B) \(- 39\)
• C) \(- 57\)
• D) 39

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