tính hộ cái ( rút gọn)

H

heyday195

[TEX]\frac{3 + 4\sqrt{3}}{\sqrt{6} + \sqrt{2} - \sqrt{5}}[/TEX] = [TEX]\frac{(3 + 4\sqrt3)(\sqrt{6} + \sqrt{2} + \sqrt{5}}{(\sqrt{6} + \sqrt{2} - \sqrt{5})(\sqrt{6} + \sqrt{2} + \sqrt{5})}[/TEX] = [TEX]\frac{(3 + 4\sqrt3)(\sqrt{6} + \sqrt{2} + \sqrt{5}}{3 + 4\sqrt{3}[/TEX] = [TEX]\sqrt{6} + \sqrt{2} + \sqrt{5}[/TEX]
 
Top Bottom