$$\int3x^2\cot\left(4x^3\right)dx$$

$$\sqrt{18x^4+36x^2+18}$$

$$xdy+\left(4x^3y-x^3\right)dx$$

$$2^{-2}\cdot3^2$$

$$\sec^{2}\theta-5=-1$$

$$1\cdot2^{-18}$$

$$\frac{\frac{1}{8}b^{\frac{1}{2}}+\frac{6}{8}a^5+\frac{4}{7}}{\frac{5}{11}a^{\frac{1}{2}}b^{\frac{2}{4}}}$$