Proof WritingHardWriting It Up ShareWriting It Up · Hard problemIn which proof is "without loss of generality x≥yx \ge yx≥y" NOT justified?AProving (x+y)2≤2(x2+y2)(x + y)^2 \le 2(x^2 + y^2)(x+y)2≤2(x2+y2)BProving max(x,y)≥x+y2\max(x, y) \ge \tfrac{x + y}{2}max(x,y)≥2x+yCProving xy≤(x+y2)2xy \le \left(\tfrac{x + y}{2}\right)^2xy≤(2x+y)2DProving x2y≤x3+y3x^2 y \le x^3 + y^3x2y≤x3+y3 for positive x,yx, yx,yCheck Show answer Walk through it step by step Practice more like this Review this concept