1) $\lim_{x \to 3} (x+1)$\frac{x}{y}$ [2*(x-1)]
2) $\lim_{x \to 2-} x$(x^{2}$ -2x)$\frac{x}{y}$ (3x+1)
3) $\lim_{x \to 1-} abs(x-1)$\frac{x}{y}$(x-1)
Loga
Sinh Học lớp 12
