S
shyhaeky_1111


1. [TEX]\frac{\sqrt[3]{7-x}-\sqrt[3]{x-5}}{\sqrt[3]{7-x}+\sqrt[3]{x-5}}=6-x[/TEX]
2. [TEX]\sqrt{2x^2-1}+\sqrt{x^2-3x+2}=\sqrt{2x^2+2x+3}+\sqrt{x^2-x+1}[/TEX]
2. [TEX]\sqrt{2x^2-1}+\sqrt{x^2-3x+2}=\sqrt{2x^2+2x+3}+\sqrt{x^2-x+1}[/TEX]