1. Integration: Solving definite integrals and simplifying the result.
2. Function Simplification: Simplifying expressions in terms of other variables.
3. Line Equation: Finding the gradient of a line and the equation of a perpendicular line.
4. Curve and Region: Identifying inequalities that define regions bounded by curves.
5. Differentiation: Solving equations based on first and second derivatives.
6. Graphing: Sketching curves, finding points of intersection, and solving for coordinates.