$\frac{dy}{dx}=tan^2\left(x\right)\cdot\left(1+y^2\right)$

$\left(-4\right)^2.5+6$

$\left(+4\right)^3\cdot\left(-5\right)^3$

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

$\frac{x-1}{x+1}>1$

$\frac{x^3-x^1-1}{x-1}$

$\int\left(\frac{2400}{x^{1.5}}\right)dx$