Solve first and second order differential equations.
By StudyVector team
Differential equations in Further Maths build heavily on A-Level calculus. StudyVector helps you practise solving first-order equations using integrating factors, and second-order linear differential equations using auxiliary equations and particular integrals. Use it as a starting point before practice: check the exact qualification or board, answer questions, review mistakes, and follow official provider pages when admissions or exam requirements change.
Differential equations in Further Maths build heavily on A-Level calculus. StudyVector helps you practise solving first-order equations using integrating factors, and second-order linear differential equations using auxiliary equations and particular integrals. Use it as a starting point before practice: check the exact qualification or board, answer questions, review mistakes, and follow official provider pages when admissions or exam requirements change.
Solving Second Order Equations
For second-order non-homogeneous equations, you need to master finding the complementary function (CF) using the auxiliary equation, and then determining the correct form for the particular integral (PI).
—Integrating factors
—Auxiliary equations
—Complementary functions and particular integrals
—Simple Harmonic Motion modelling
Common mistake: particular integrals
Students often guess the wrong form for the particular integral, especially when the right-hand side of the equation is a function already present in the complementary function. In this case, you must multiply your guess by x (or x²).
How to use this page
Use this aqa further maths page as a decision page before a practice session. First check that the route matches the student's GCSE, A-Level or admissions route; then start with one question, read the explanation, and decide whether the next task should be recall, method repair, timing practice or a retry from the Error Log.
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—Answer before rereading
—Turn the miss into one next task
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Answer a short GCSE, A-Level or admissions-style question.
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StudyVector tags the subject, topic, command word and likely mark leak.
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The explanation shows the method and the mistake pattern in plain language.
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The Error Log keeps the mistake visible so it can be retried later.
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Flashcards and personalised tasks pull the student back to the weak topic.
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Progress updates when practice shows the topic is becoming stronger.
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FAQs
What is an integrating factor?
An integrating factor is a function used to multiply a first-order linear differential equation to make the left-hand side an exact derivative, allowing it to be solved.
How is Simple Harmonic Motion (SHM) related to differential equations?
SHM is modelled by a specific second-order differential equation: d²x/dt² = -ω²x. You must be able to solve this and interpret the solution.
Can I practice finding particular integrals on StudyVector?
Yes, StudyVector provides targeted practice on identifying and calculating particular integrals for various types of non-homogeneous equations.