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91¶¶Òõ

Last updated

15 April 2026

pdf, 405.73 KB
pdf, 405.73 KB
pdf, 426.36 KB
pdf, 426.36 KB

This IB Maths AI HL AHL 5.18 – Solutions of Second-Order Differential Equations notes resource builds clear, structured understanding of modelling and solving second-order systems.

Students learn how to interpret equations such as ( x’’ = -x ) in modelling contexts (including simple harmonic motion), convert second-order equations into first-order systems, and apply Euler’s method to generate numerical approximations. The notes guide learners through setting up iterative update rules, presenting results clearly in tables, and interpreting approximations in context .

The resource also develops exact solution methods using eigenvalues, linking oscillatory behaviour to solutions of the form ( x(t)=C_1\cos t + C_2\sin t ), and connects algebraic solutions to phase portraits and stability analysis. Designed for HL students, this resource strengthens conceptual understanding, numerical fluency, and qualitative interpretation, essential Higher Level skills for advanced differential equations and calculus modelling in the IB exam.

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