Max:X$1+2$X$2$

X$1+$X$2<=6$

X$1-$X$2<=2$

X$1-$X$2>=6$

$2$X$1+$X$2>=4$

$1.$ Find the optimal solution for this problem.

$2.$ Formulate the dual linear programming problem.

$3.$ Find the dual solution using matlab

$4.$ which form $($primal$/$dual$)$ would be the preferred formulation in the case and why?