1.

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. 5x-6y+4z=15 7x+4y-3z=19 2x+y+6z=46

Answer»


ANSWER :`x=3,y=4,z=6`


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