Question
If $\left|\begin{array}{ll}2 & 3 \\ y & x\end{array}\right|=3,\left|\begin{array}{ll}x & y \\ 4 & 2\end{array}\right|=5$, then find the value of $x$ and $y$.
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| $X_i$ | $0$ | $1$ | $2$ |
| $P_i$ | $3c^3$ | $4c - 10c^2$ | $5c - 1$ |