1. Trục căn thức ở mẫu :a) \(\frac{1+\sqrt{2}}{1-\sqrt{2}}\) b) \(\frac{1}{3\sqrt{2}-2\sqrt{3}}\) c) \(\frac{1-x^2}{1-\sqrt{x}}\) d) \(\frac{x-3}{\sqrt{x-1}-\sqrt{2}}\) e) \(\frac{3\sqrt{3}}{\sqrt{2}+\sqrt{3}+\sqrt{5}}\) f) \(\frac{4}{1+\sqrt{2}+\sqrt{3}}\) ...
Đọc tiếp
1. Trục căn thức ở mẫu :
a) \(\frac{1+\sqrt{2}}{1-\sqrt{2}}\) b) \(\frac{1}{3\sqrt{2}-2\sqrt{3}}\) c) \(\frac{1-x^2}{1-\sqrt{x}}\) d) \(\frac{x-3}{\sqrt{x-1}-\sqrt{2}}\) e) \(\frac{3\sqrt{3}}{\sqrt{2}+\sqrt{3}+\sqrt{5}}\)
f) \(\frac{4}{1+\sqrt{2}+\sqrt{3}}\) g) \(\frac{\sqrt{2+\sqrt{3}}}{\sqrt{2-\sqrt{3}}}\)
