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Evaluate 3×33 \times 3 Determinant ∣14−1514465∣\left| \begin{array} { c c c } 1 & 4 & - 1 \\5 & 1 & 4 \\4 & 6 & 5\end{array} \right|

Question 78

Multiple Choice

Evaluate 3×33 \times 3 determinant. ∣14−1514465∣\left| \begin{array} { c c c } 1 & 4 & - 1 \\5 & 1 & 4 \\4 & 6 & 5\end{array} \right| Use the properties of determinants to your advantage.


A) -74
B) -7
C) -81

Correct Answer:

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