Question: a. Solve the linear system (mathbf{A x}=mathbf{b}) by using Cramer's rule. b. (uparrow) Repeat (a) in MATLAB. (mathbf{A}=left[begin{array}{cccc}3 & 2 & 0 & 0

a. Solve the linear system $\mathbf{A x}=\mathbf{b}$ by using Cramer's rule.

b. $\uparrow$ Repeat

(a) in MATLAB.

$\mathbf{A}=\left[\begin{array}{cccc}3 & 2 & 0 & 0 \\ \frac{1}{2} & -\frac{4}{3} & 1 & 0 \\ -1 & 0 & \frac{3}{2} & 1 \\ 0 & 0 & 1 & 1\end{array}\right], \quad \mathbf{b}=\left\{\begin{array}{c}7 \\ -\frac{8}{3} \\ -\frac{3}{4} \\ \frac{1}{2}\end{array}\right\}$

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