4 for the system of linear equations 3x 2y z6 6x 2yz17 3x2y2z13 write
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4) for the system of linear equations 3x-2y-z=6 6x-2y+z=17 3x+2y+2z=13 write the augmented matrix(A/b): find the ranks of the coefficient matrix A and the augmented matrix (A/b) using gaussian elimination.
rank (A)= rank (A/b)= without solving the system of equations state how many solutions it has unique selection, no solution, infinitely many solutions