$$\lim_{x\to\frac{\pi}{4}}\left(6\left(\tan\left(x\right)\right)^{\tan\left(2x\right)}\right)$$

$$\frac{dy}{dx}\left(y=\frac{\left(-2x^3+e^{7x}\right)}{7x}\right)$$

$$\frac{dy}{dx}=\frac{\left(1-y\right)^4}{3}$$

$$sinh2x=2\cdot sinhx\cdot coshx$$

$$\lim_{x\to4}\frac{3x^2-24x}{x^2-64}$$

$$\int c^4xdx$$

$$34x+112$$