# Solution to system of linear equations in range of system matrix

by kalleC
Tags: equations, linear, matrix, range, solution
 P: 39 Hint: Ask yourself whether $A^T y = 0 [/tex] has solutions such that [itex] y^T b \neq 0$. Try it yourself first. Then if you think you know what is going on, look at the wikipedia entry under Fredholm alternative.