B
buithaomai


Tính giới hạn:
[TEX]\lim_{x \to 0} x(2-\frac{1}{x})[/TEX]
[TEX]\lim_{x \to 9}{\frac{\sqrt{x}-3}{9x-x^2}}[/TEX]
[TEX]\lim_{x \to 0} x(2-\frac{1}{x})[/TEX]
[TEX]\lim_{x \to 9}{\frac{\sqrt{x}-3}{9x-x^2}}[/TEX]