

Cho A=[tex](\frac{x\sqrt{x}+x-2}{x-1}-\frac{\sqrt{x}+2}{x+3\sqrt{x}+2}).\frac{\sqrt{x}-1}{2x+\sqrt{x}-3}[/tex]
a, Rút gọn A
b, Tính A khi [tex]\frac{x}{4}=\sqrt{\frac{1009+\sqrt{2017}}{2}}-\sqrt{\frac{1009-\sqrt{2017}}{2}}[/tex]
a, Rút gọn A
b, Tính A khi [tex]\frac{x}{4}=\sqrt{\frac{1009+\sqrt{2017}}{2}}-\sqrt{\frac{1009-\sqrt{2017}}{2}}[/tex]