Here you are shown how to solve 3 linear simultaneous equations using matrices on a Casio Classwiz fx-570 EX_99 calculator
HOW TO FIND THE INVERSE OF A 3x3 MATRIX (MANUAL APPROACH)
1) Find the determinant • Determinant of a 3x3 M...
2) Find the Minors • Matrices - Minors of e...
3) Find the Cofactors • Matrices - Finding the...
4) Find the Adjoint Matrix and the Inverse Matrix • Matrices - Inverse of ...
MATRICES PLAYLIST: • Matrices (1)
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