Integration Examples
1. Find $\int x^2 \, dx$.
2. Evaluate $\int e^x \, dx$.
3. Calculate $\int \sin x \, dx$.
4. Determine $\int \frac{1}{x} \, dx$.
5. Find $\int (3x^3 - 2x + 1) \, dx$.
6. Solve $\int \cos 2x \, dx$.
7. Evaluate $\int x e^x \, dx$ using integration by parts.
8. Calculate $\int \frac{1}{\sqrt{1-x^2}} \, dx$.
9. Determine $\int \tan x \, dx$.
10. Find $\int x^2 \sin x \, dx$ using integration by parts.
These example questions cover basic to intermediate techniques in integration including power rule, exponential, trigonometric integrals, logarithmic integrals, polynomial integrals, and methods like integration by parts.