Solved

Evaluate
- $\left| \begin{array} { r r r } - 1 & 2 & 5 \\3 & - 1 & - 5 \\5 & - 1 & - 4\end{array} \right|$

Question 80

Multiple Choice

Evaluate.
- $\left| \begin{array} { r r r } - 1 & 2 & 5 \\3 & - 1 & - 5 \\5 & - 1 & - 4\end{array} \right|$

A) $- 15$
B) 85
C) $- 123$
D) 15

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