\(\sqrt{x^2-2x+4}+1\)

tim gtnn

\(\sqrt{3}\left(\sqrt{2}-\sqrt{3}\right)^2-\left(\sqrt{3}+\sqrt{2}\right)\)

\(\frac{x+\sqrt{x}}{x-2\sqrt{x}+1}:\left(\frac{\sqrt{x}+1}{\sqrt{x}}-\frac{1}{1-\sqrt{x}}+\frac{2-x}{x-\sqrt{x}}\right)\)

P=\(\left(\frac{\sqrt{x}}{\sqrt{x}-2}+\frac{4x}{2\sqrt{x}-x}\right):\frac{\sqrt{x}+3}{\sqrt{x}-2}\)

tinh P khi x=11-\(4\sqrt{6}\)

1:(\(\frac{x+2}{x\sqrt{x}-1}\)+\(\frac{\sqrt{x}+1}{x+\sqrt{x}+1}-\frac{1}{\sqrt{x}-1}\))

\(\frac{1-a}{\sqrt{a}}=2\)

\(\left(\frac{\sqrt{x}-2}{x-1}-\frac{\sqrt{x}+2}{x+2\sqrt{x}+1}\right).\frac{\left(1-x\right)^2}{2}\)

(\(\frac{2}{\sqrt{3}-1}+\frac{3}{\sqrt{3}-2}+\frac{15}{3-\sqrt{3}}\)).\(\frac{1}{\sqrt{3}+5}\)

rut gon \(\frac{x-11}{\sqrt{x-2}-3}\)

cho P=\(\frac{x-1}{2}:\left(\frac{x^2+2}{x^3-1}+\frac{x}{x^2+x+1}+\frac{1}{1-x}\right)\)

a)Rút gọn P

b)so sánh P và /P/

c) tìm min của P