Question

The value of (x₁, x₂) for an optimal solution for

Minimize Z = 6x₁ – 8x₂

Subject to : 5x₁ 10x₂ $\leq$ 30

                  4x₁ + 4x₂ $\leq$ 20

                  x₁ $\geq$ 0, x₂ $\geq$ 0 is

      (a) (0,0)                          (b) (1,6)                       (c) (0,3)                          (d) (3,7)