Consider the convex set given by 3 x1 + 4x2 ≤ 11 6 x1 + 6x₂ ≥ 13 21 ≥ 0,2₂ ≥ 0 (a) Introduce a slack variable #3 > 0 to convert the first inequality to an equation. The way to write #₁ in Mobius is x[1] | (b) Introduce a slack variable 4 ≥ 0 to convert the second inequality to an equation.