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Academics – Mathematics : 2023/JUL/02

Question

Q2. a) Solve the following system of equations which model the crrents

flowing in THREE branches of an electrical network

1.2i₁ - i₂ + i₃ = 2.4

2.1i₁ - 01i₂ - i₃ = 3.1

0.1i₁ - 2.1i₂ + i₃ = - 0.9

b) Solve for x in the following equation:

x/(x + 1) - (x + 1)/(3x - 1) = 1/4

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