MCQ
$\left|\begin{array}{lll}1 & 1 & -2 \\ 2 & 1 & -3 \\ 5 & 4 & -9\end{array}\right|=$
- A2
- B1
- ✓$0$
- D-1
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| X | 1 | 2 | 3 | 4 |
| $P(X)$ | $\frac{1}{10}$ | $\frac{1}{5}$ | $\frac{3}{10}$ | $\frac{2}{5}$ |