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(a) Use the cross-multiplication method to calculate the determinant of matrix A= 2 (b) Use the cross-multiplication method to calculate the determinant of matrix

(a) Use the cross-multiplication method to calculate the determinant of matrix A= 2 (b) Use the cross-multiplication method to calculate the determinant of matrix B 3 2 132 2 2 4 (c) Use the co-factor expansion method to calculate the determinant of matrix C 2 Note:- 0 3 3 0 2 00 One mark will be taken off for not choosing the best row or column to perform your calculation for part (c).

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