$\frac{dy}{dx}=\frac{y\:sen\left(x\right)}{1-cos\left(x\right)}$

$\int_1^4\frac{\left(1+\sqrt{x}\right)}{\sqrt{x}}dx$

$\left(1^{-1}\right)-6$

$\int\left(\frac{x^3-\sqrt{x}}{x}\right)dx$

$\sqrt[2]{425}$

$\frac{3}{4}y+\frac{2}{5}y$

$\int_0^1\left(\frac{87}{x^5}\right)dx$