cameroon gce advanced level June 2026 further mathematics 3
cameroon gce advanced level June 2026 further mathematics 3
Boost Your GCE Prep: Advanced Mathematics & Mechanics Practice Questions
Are you preparing for your upcoming GCE Advanced Level Mathematics exams? Mastering vector mechanics and numerical methods is essential for scoring top grades. Below, we have extracted two highly relevant questions from past papers to test your problem-solving skills in force systems, differential equations, and numerical integration.
Question 1: Vector Mechanics and Force Systems
Three forces F1, F2, and F3 are such that:
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F1 = (-i + 3j + k)N and acts through the point with position vector (3i – 3j – 3k)m.
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F2 = 2i + 4j – 4k N and acts through the point with position vector 3i + 2j – 4k m.
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F3 has a magnitude of 7 N and acts along the line r = 8i + 3j + µ(6i + 3j + 2k).
Your Tasks:
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Find F3 in terms of i, j, and k.
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Show that F1 and F2 are concurrent and find the position vector OC of their point of concurrence.
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This system of three forces is equivalent to a fourth force F4 acting through the point with position vector 3i – 2j – 2k m, together with a couple G. Find F4 and G.
Question 2: Numerical Methods & Integration
(a) Given that y satisfies the differential equation:
d²y/dx² – x(dy/dx) + y² = 0
Using the finite difference approximations:
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h²(d²y/dx²)n = y(n+1) – 2y_n + y_(n-1)
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2h(dy/dx)n = y(n+1) – y_(n-1)
With a step length of 0.2, show that:
y_(n+1) = (1.96y_n – 1 + 0.1x_n * y_(n-1)) / (1 – 0.1x_n)
Given that y = 1 when x = 0 and y = 1.378 when x = 0.2, find y when x = 0.4, correct to 4 decimal places.
(b) Use Simpson’s rule with three ordinates to estimate the integral from 0 to 1 of e^(x²) dx, giving your answer correct to 3 decimal places.
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