1. The question asks about the topic in mathematics related to the previous problem or discussion. 2. Since the previous context is not provided here, generally, identifying the topic involves recognizing the type of problem or the mathematical concepts involved. 3. Common topics include algebra, calculus, geometry, trigonometry, discrete math, statistics, etc. 4. If the problem involved solving equations, simplifying expressions, or working with variables, it likely falls under algebra. 5. If it involved rates of change, areas under curves, or limits, it would be calculus. 6. Without specific problem details, the best approach is to classify based on the nature of the problem.