Solve second order differential equations - visual second-order mode equation item
Case A4. The characteristic equation has roots -2 and -5. Enter the larger root, which controls the slower mode.
Worked practice: result and interpretation
Calculate the requested result first, then choose the interpretation that follows from it.
Write a full answer
Now write the response in full, in your own words — this is what the exam asks for. The AI marks it on the same moves you built above (focus, evidence, technique, judgement) and gives feedback on reasoning, evidence, and expression.