a. b. Forces in a simple pulley system satisfy the linear system (in the form Ax = b}: iy. 434}; 7 4110}; 311}; 9 II -..| For each of the entries m,- in the matrixA write each of its minors [My for each 1]]. 3 marks Determine the cofactor matrix for A. 1 mark Using the result in (ii.}, determine the inverse matrix A'l. 2 marks Solve the linear system to obtainfl, f2 and I; using the result from {iii.J. 2 marks The magnitudes of forces f and g in a mechanical system are related by the following equations. ls Cramer's Rule suitable to solve the following linear system? If so, solve the system using Cramer's Rule. If not, explain why. 3 marks 3f+5g16.1=0 2fg3.8=0