MATH191 hw04
Math 191 Wilkening Spring 2023 Homework 4 due Sat, Feb. 18, 2:00 PM (Upload your solutions to Gradescope) 1. SupposeV,W andZ arefinitedimensionalvectorspacesandA:V →W andB:W →Z are linear operators. (a) (2 points) Show that if A is surjective (onto W), then nullity(BA) = nullity(A) + nullity(B). (b) (2 points) Show that in general (whether A is […]