write the formulae for x,y,z by using cramers rule
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Formula to Find the Determinant of a 3⨉3 Matrix
Given a 3⨉3 matrix
Matrix A is a 3 by 3 square matrix with elemenys a, b and c on the first row, elements d, e and f on the second row, and elements g, h and i on the third row. We can write Matrix in compact for as A = [a,b,c;d,e,f;g,h,i].
Its determinant can be calculated using the following formula.
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