$\lim_{x\to\infty}\left(\frac{1+\sqrt{x+1}-\sqrt{x}}{1+\sqrt{x+1}}\right)$

$903.52-765.018$

$\frac{dy}{dx}=\frac{1}{\left(x^2-1\right)}$

$2x+\cos\left(2x\right)=\ln\left(\cos\left(y\right)^4\right)+c$

$\frac{x^2-2x}{x^3-3x^2+2}$

$5,374\cdot2,1$

$\lim_{x\to+\infty}\left(x-\ln\left(2x^2+3\right)\right)$