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Guest2
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$x+2y-z=2 \\
x-y+z =5 \\
3x+3y-z=\mu$
The question is for what value of the parameter has the equation (a) no solutions, (b) one solution, and (c) infinitely many solutions.
The trouble when I solve this system using guassian elimination I get $
(x, y, z) = ( -19-\frac{1}{2}\mu, 7, -7-\frac{1}{2}\mu)$
x-y+z =5 \\
3x+3y-z=\mu$
The question is for what value of the parameter has the equation (a) no solutions, (b) one solution, and (c) infinitely many solutions.
The trouble when I solve this system using guassian elimination I get $
(x, y, z) = ( -19-\frac{1}{2}\mu, 7, -7-\frac{1}{2}\mu)$