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Academics – Mathematics : 2021/MAR/02

Question

Q2. (a) Solve the following system of equations for x and y.(10)

x² + 5xy - 4y² = - 10

2x + 5y = 1

(b) The formula M = (wx (l - x))/2 gives the bending moment M at a point in a beam.

Calculate the values of x, correct to 3 decimal places, when M = 65, l = 25 and w = 2.5. (6)

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