Matrix A has rank 1. Any component of the column vectors in B and C in the null space of A will be mapped to zero. This leaves quite a few possibilities.Let A =
[ -3 9 ]
[ -1 3 ]
Find two 2x2 matrices B and C, such that AB = AC BUT B does not equal C.
I am stumped, but I am trying inverses and such, with no luck :(
Any insight would be great!