SUbject : OPERATIONAL RESEARCH

NOTE : USING SIMPLEX METHOD

ximize z=43x120x2+21x36x4 subject to \( \begin{array}{l} \frac{1}{4} x_{1}-8 x_{2}-x_{3}+9 x_{4} \leq 0 \\ \frac{1}{2} x_{1}-12 x_{2}-\frac{1}{2} x_{3}+3 x_{4} \leq 0 \\ x_{3} \leq 1 \\ \)x1,x2,x3,x40\( \end{array} \)