$$\left(\sqrt{\sqrt{\sqrt{k}}}\right)^8$$

$$10+-3t-7-3t$$

$$\left(x^2-\frac{2}{3}\right)\left(x^2-\frac{1}{2}\right)$$

$$3x^2y^2dx+3x^3ydy$$

$$\frac{d}{dx}\frac{1}{2x-1}$$

$$\int\frac{\sqrt{x^2+25}}{x^3}dx$$

$$\left(x^{-4}\right)^5\left(x^3y^2\right)^5$$