Question

Find the point of intersection: \[r=\left(\begin{matrix}1 \\ 3\\ 1 \end{matrix}\right)+s\left(\begin{matrix}-2 \\ -1\\ 2 \end{matrix}\right),~~~~r=\left(\begin{matrix}0 \\ -2\\ 8 \end{matrix}\right)+t\left(\begin{matrix}1 \\ -1\\ 1 \end{matrix}\right)\]

Answer 1

the point of intersection occurs when s=2 and t=-3