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

$\int\:\:\frac{1}{x\left(2x+3\right)}dx$

$\frac{x^2-11x+10}{x-1}$

$\sqrt{3}\cdot\:\cos\:^2\left(x\right)-\frac{3}{2}\cos\:\left(x\right)=0$

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

$4x^2+20x+125$

$4-2\left(5+6\right)$