Question

Rút gọn: 

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

Answer 1

(\left(\dfrac{\sqrt{x}}{\sqrt{x}-1}+\dfrac{2}{x-\sqrt{x}}\right):\dfrac{1}{\sqrt{x}-1}\)
`=(x+2)/(x-\sqrtx).(\sqrtx-1)`
`=(x+2)/\sqrtx`

Answer 2