Multiplicative Inverse of a Non-Singular Square Matrix · CSEC Mathematics

4 past-paper questions on Multiplicative Inverse of a Non-Singular Square Matrix, part of VECTORS AND MATRICES, from every CSEC Mathematics paper on Quelpr.

1. 11(b)(ii)2 marks· Mathematics Q11 11(b)(ii)Show that M⁻¹M = I.
2. 11(c)(ii)2 marks· Mathematics Q11 11(c)(ii)Show that A⁻¹A = I, the identity matrix.
3. 14(a)(iii)2 marks· Mathematics Q14 14(a)(iii)Show that M⁻¹M = I.
4. 14(a)(iii)1 mark· Mathematics Q14 14(a)(iii)Write down the 2x2 matrix which is equal to the product M x M⁻¹.