$\int_0^{\frac{\pi}{4}}\left(-3\pi tan^2\left(x\right)\right)\left(sec^4\left(x\right)\right)dx$

$3y^3dx-6x^4dy$

$\lim_{x\to1}\:6x^{\frac{5}{3}}$

$\int_{8.482\cdot10^{-3}}^{1.4018\cdot10^{-2}}-2.4\left(\sin\left(\frac{2\pi x}{0.015}\right)\right)dx$

$\frac{d}{dx}27e^{3x}$

$\int sin^3\left(3x\right)cos^9\left(3x\right)dx$

$\int_0^{\frac{3}{5}}\left(\frac{x^2}{\sqrt{9-25x^2}}\right)dx$