題組內容

2. (50%) Given the following linear system:

$$2x1 - 3x2 + x_3 = 3$$

$$x1 - 2x2 + x_3 = -1$$

$$x1 - 3x2 + 2x_3 = 4$$

(d) Express the linear system in matrix representation Ax = b, then solve the linear system by computing A⁻¹.