Pregunta: Dado la tabla inicial simplex, identifique el pivote de entrada inicial\table[[x1,x2,s1,s2,s3,z,],[0.9,0.4,1,0,0,0,4000],[0.1,0.2,0,1,0,0,4500],[0,0.5?,0?,0?,1?,0?,1100?

Dado la tabla inicial simplex, identifique el pivote de entrada inicial

$\backslash$table$[[x_1,x_2,s_1,s_2,s_3,z,],[0\mathrm{.}9,0\mathrm{.}4,1,0,0,0,4000],[0\mathrm{.}1,0\mathrm{.}2,0,1,0,0,4500],[0,{0\mathrm{.}5}_{?},0_{?},0_{?},1_{?},0_{?},{1100}_{?}$