$\ z=-\sqrt{3}+i\$  

$$\ \lim_{x\rightarrow0\ }\ \frac{\sqrt{x+3}-\sqrt{3}}{x}$$  

 $គណនា\ \frac{3+2i}{i}$  

$$\ \lim_{x\to-1}\ \frac{x^2-x+2}{x^2-1}$$  

$$\ \ i^{2019}+i^{2021}\ ដែល\ i=\sqrt{-1}$$  

$$\lim_{x\rightarrow0^+}\ \frac{x}{\left|x\right|}$$  

 $\ z=\sqrt{3}+i\$  

$$\ \lim_{x\rightarrow2\ }\ \frac{x^3-8}{x-2}$$  

$$\lim_{x\rightarrow+\infty}x\left(1-\frac{\ln x}{x}-\frac{2}{x^2}\right)$$  

$$\lim_{x\rightarrow+\infty}\left(\frac{18x^2+4x+5}{9x^2-2x}\right)$$  

$$​​​​\lim_{x\rightarrow-\infty}\left(\frac{e^x+1}{x^2}\right)$$  

 $គណនា​\ \lim_{x\rightarrow+\infty}\left(x^2+1+\frac{1}{x^2+1}\right)$  

 $\lim_{x\rightarrow-\infty}\left(\frac{x^{2021}-1}{x^{2021}+1}\right)$  

 $\lim_{x\rightarrow0}\left(\frac{5\sin5x}{x}\right)$  

 $\lim_{x\rightarrow0}\left(\frac{\sin3x}{-x}\right)$  

 $\lim_{x\rightarrow0}\left(\frac{-2x\sin x}{\cos^2x-1}\right)$  

 $\lim_{x\rightarrow0}\left(\frac{1-\cos x}{x^2}\right)$  

$$\lim_{x\rightarrow2}\left(\frac{1-\cos2\pi x}{\left(2-x\right)^2}\right)$$  

$$\lim_{x\rightarrow0}\left(\frac{2\sin x-\sin2x}{x\sin^2x}\right)$$  

$$\ \lim_{x\rightarrow2}\ \ \frac{x^2-6x+8}{x^2-3x+2}$$