4

Could you share the problem or topic you’re working on? With just “4” I’m not sure what you need.

If you’d like, I can give you a quick 4-question micro-quiz on a topic of your choice. For example:

• Calculus: Differentiate f(x) = x^2 cos x
• Linear Algebra: det and eigenvalues of A = [[1,2],[3,4]]
• Probability: A fair die is rolled; P(prime) = ?
• Discrete Math: How many subsets does a 7-element set have?

Want solutions too, or a step-by-step walkthrough? Tell me the course/level and the topic.