Homework Statement
A=
<1, -3, -1, 1>
<2, -5, 0, 1>
<-3, 5, -6, 3>
What I did was Row2 = 2*Row1 - Row2 which renders Row2 as: <0, -1, -2, 1>
However in the solutions, Row2 was given as: <0, 1, 2, -1>, which appears to be R2 = -2R1 + R2
I'm guessing it makes no real difference...