$$\left(\frac{-4u^7}{u^{\frac{1}{4}}}\right)^2$$

$$\frac{dy}{dx}\left(x\right)=6x$$

$$\left(8m^3n^5-9\right)^2$$

$$\frac{d}{dx}\left(y=4^{x^2}\right)$$

$$\left(\frac{1}{y^2}-\frac{1}{x^2}\right)\left(\frac{1}{y^4}+\frac{1}{y^2x^2}+\frac{1}{x^4}\right)$$

$$\frac{5\left(5x^2+7x+2\right)}{5}$$

$$n^4-16$$