Solved

Evaluate
- $\left| \begin{array} { r r } 8 & - 9 \\ - 2 & 1 \end{array} \right|$

Question 29

Multiple Choice

Evaluate.
- $\left| \begin{array} { r r } 8 & - 9 \\ - 2 & 1 \end{array} \right|$

A) $10$
B) $26$
C) $- 70$
D) $- 10$

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