$$\lim_{x\rightarrow5}\ \frac{3x^2-13x-10}{2x-10}\ \ \ احسب$$  

$$\lim_{x\rightarrow-\infty}\ \frac{5x^3-2}{4x^3+x+5}\ \ \ احسب$$  

$$\lim_{x\rightarrow5}\ \frac{x+8}{x-5}\ \ احسب$$  

$$\lim_{x\rightarrow0}\ \frac{\left(4+x\right)^2-16}{x}\ \ احسب$$  

$$\lim_{x\rightarrow0}\ \frac{\frac{1}{2+x}-\frac{1}{2}}{x}\ \ احسب$$  

$$\lim_{x\rightarrow-3}\ \frac{\sqrt[]{x+7}-2}{x+3}\ \ \ احسب$$  

$$\lim_{x\rightarrow\infty}\ \frac{x+5}{x^2-4}\ \ احسب$$  

$$\lim_{x\rightarrow1}\ \frac{2x^3+3x^2-8x+3}{x^2-3x+2}\ \ احسب$$  

$$\lim_{x\rightarrow-2}\ \sqrt[]{x^4+3x+6}\ \ \ \ \ احسب$$  

$$\lim_{x\rightarrow4}\ \frac{2x^2-5x-12}{3x^2-11x-4}\ \ احسب$$  

$$\lim_{x\rightarrow4}\ \frac{x^4-15x^2-16}{x^3-64}\ \ احسب$$  

$$\lim_{x\rightarrow\infty}\ \frac{4}{5^{\frac{1}{x}}}\ \ احسب$$  

$$\lim_{x\rightarrow16}\ \frac{4-\sqrt[]{x}}{x-16}\ \ احسب$$  

$$\lim_{x\rightarrow0}\ \frac{\left(x-5\right)^{-1}+5^{-1}}{x}\ \ احسب$$  

$$\lim_{x\rightarrow\ \frac{2}{3}}\ \left(27x^3-8\right)\left(3x^2-2x\right)^{-1}$$  احسب

$$\lim_{x\rightarrow\infty}\ \frac{x^2}{x-3}\ \ \ احسب$$  

$$\lim_{h\rightarrow0}\ \frac{\left(h+3\right)^4-81}{h}\ \ احسب$$  

$$\lim_{x\rightarrow-2}\ \frac{ax-5}{x^2+1}=0$$  إذا كانت