So I've forgotten what the conditions for when a matrix has zero, one and infinitely many solutions. Starting with this matrix:
[11−102−1−53−12a2+3a−3a]
I reduced this to:
[11−100−1−1100a2+3a−4−3a+3]
But I'm not sure when this would have zero, one, or infinitely solutions.
Thanks in advance.