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April 2020

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QUESTION 1 (20 marks) The currents I1, I2 and I3, measured in Amperes, in the three branches of a parallel circuit are determined by the 3/1/2020 53490 – ENM1600 Engineering Mathematics, S1–2020Assignment 2Value: https://www.australiabesttutors.com/Recent_Question/53490/ENM1600-Engineering-Mathematics-S1-2020Assignment-2Value 3/5 following system of linear equations. 7I1 – 3I2 – I3 = -48 -I2 + 4I3 = 15 -4I1 + 8I2 = 13 (a) Write the system in matrix form Ax = b; (2 marks) (b) Solve the system of linear equations using Cramer’s Rule. (18 marks) Check your answer by substituting into the system of linear equations.

ENM1600 Engineering Mathematics, S1–2020Assignment 2Value: 10%. Due Date: Tuesday 28 April 2020.Β· Submit your assignment electronically as one (1) PDF

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