Show if convex or concave f(x1, x2) = x + 3x,x2 + x3; S = R...
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Show if convex or concave f(x1, x2) = x + 3x,x2 + x3; S = R² f(x1, x2) = xỉ + x; S = R? %3D %3D Show if convex or concave f(x1, x2) = x + 3x,x2 + x3; S = R² f(x1, x2) = xỉ + x; S = R? %3D %3D
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