Inverse matrix method
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Step-by-step explanation:
A is called the matrix of coefficients. This result gives us a method for solving simultaneous equations. All we need do is write them in matrixform, calculate the inverse of thematrix of coefficients, and finally perform a matrix multiplication. We need to calculate the inverse of A = ( 1 2 3 −5 \.
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A is called the matrix of coefficients. This result gives us a method for solving simultaneous equations. All we need do is write them in matrix form, calculate the inverse of the matrix of coefficients, and finally perform a matrix multiplication. We need to calculate the inverse of A = ( 1 2 3 −5 \.
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