Linear Algebra, Rank, Mathematics, Mathematics Education, Math.
they are multiples of the first two. The third row is the first row x 2, and the fourth row is the second row x 2. Thus, when we cancel out, we get the equivalent system Ux = c. Pivots are highlighted. Forgot to have a “2” at the end of the last b in c. Now Ux = c can only be solved if the two