Mod note: Moved from Precalc section
1. Homework Statement
Given l : IR3 → IR3 , l(x1, x2, x3) = (x1 + 2x2 + 3x3, 4x1 + 5x2 + 6x3, x1 + x2 + x3), find Ker(l), Im(l), their bases and dimensions.
My language in explaining my steps is a little sloppy, but I'm trying to understand the process and...