\(\frac{x}{x-\sqrt{x}}\)+\(\frac{2}{x+2\sqrt{x}}\)+\(\frac{x+2}{\left(\sqrt{x}-1\right)\left(x+2\sqrt{x}\right)}\)rút gọn và tính khi x =3+2\(\sqrt{2}\)

\(\frac{x\sqrt{x}-3}{x-2\sqrt{x}-3}\)-\(\frac{2\left(\sqrt{x}-3\right)}{\sqrt{x}+1}\)-\(\frac{\sqrt{x}+3}{3-\sqrt{x}}\)

\(\frac{x}{5}\)+\(\frac{5}{2x+1}\)tìm gtnn với x>0,5

\(\frac{3x}{2}\)+\(\frac{1}{x+1}\) với x>=-1 tìm gtnn

\(\frac{3x^3+16}{x^4}\)tìm gtnn

\(\frac{x^2+4x+4}{x}\) tìm gtnn

\(\frac{x^2}{\left(x^2+2\right)^3}\)Tìm GTLN

\(\frac{3-4x}{x^2+1}\) TÌM GTLN, GTNN