$$\int\left(3x-4\right)^3dx$$

$$-5\:x\:-6\:+\:5$$

$$\sqrt{1-4t^2}ds+2\sqrt{1-s^2}dt=0$$

$$x^3-3x^2+25x+29$$

$$\int\frac{xe^{3x}}{2}dx$$

$$7\pi4$$

$$\lim_{x\to0}\left(\frac{2\cos^2\left(x\right)}{1+\cos\left(2x\right)}\right)$$