![image](https://tex.z-dn.net/?f=lim_%7Bx-%3E%5Cinfty%7D+%5Cfrac%7B3x-1%7D%7Bx%5E2%2B7x%2B5%7D%3D%5C%5C%5C%5Clim_%7Bx-%3E%5Cinfty%7D+%5Cfrac%7B%5Cfrac%7B3%7D%7Bx%7D-%5Cfrac%7B1%7D%7Bx%5E2%7D%7D%7B1%2B%5Cfrac%7B7%7D%7Bx%7D%2B%5Cfrac%7B5%7D%7Bx%5E2%7D%7D%3D%5Cfrac%7B0-0%7D%7B1%2B0%2B0%7D%3D0)
\infty} \frac{3x-1}{x^2+7x+5}=\\\\lim_{x->\infty} \frac{\frac{3}{x}-\frac{1}{x^2}}{1+\frac{7}{x}+\frac{5}{x^2}}=\frac{0-0}{1+0+0}=0" alt="lim_{x->\infty} \frac{3x-1}{x^2+7x+5}=\\\\lim_{x->\infty} \frac{\frac{3}{x}-\frac{1}{x^2}}{1+\frac{7}{x}+\frac{5}{x^2}}=\frac{0-0}{1+0+0}=0" align="absmiddle" class="latex-formula">
отвте: 0