Question

giúp e vs ạ ,e cảm ơn 🥺

Answer 1

a: \(A=\dfrac{1-x}{\sqrt{x}\left(\sqrt{x}-1\right)}\cdot\dfrac{1-\sqrt{x}}{-\left(1-x\right)}=\dfrac{1-x}{\sqrt{x}\left(\sqrt{x}-1\right)}\cdot\dfrac{\sqrt{x}-1}{1-x}=\dfrac{1}{\sqrt{x}}\)