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Solve the following system of equations. (a) By using Cramer's rule and Matrix inversion method, when the coefficient matrix is non - singular. (b) By using Gauss-Jordan method, also determine whether the system has unique solution, or infinite number of solutions or solution and find the solution if exist. 2x-y+3z=9 x+y+z=6 x-y+z-2 |
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