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nhatduy129


1)[TEX]\sqrt{x} + \sqrt[4]{x(1 - x)^2} + \sqrt[4]{(1 - x)^3} = \sqrt{1 - x} + \sqrt[4]{x^3} + \sqrt[4]{x^2(1 - x)}[/TEX]
2)[TEX]\sqrt{8x + 1} + \sqrt{3x - 5} = \sqrt{7x + 4}.\sqrt{2x - 2}[/TEX]
2)[TEX]\sqrt{8x + 1} + \sqrt{3x - 5} = \sqrt{7x + 4}.\sqrt{2x - 2}[/TEX]