3. (7 points) Let A = 1 - 1 2 -2 3 -3 -1 4 2 1 2-5 0 6 -3 Answer the following problems in order. T (a) Is [1 1 1 1 -2]"
Posted: Wed May 11, 2022 9:57 pm
3. (7 points) Let A = 1 - 1 2 -2 3 -3 -1 4 2 1 2-5 0 6 -3 Answer the following problems in order. T (a) Is [1 1 1 1 -2]" in the null space of A? Justify. (b) What is the nullity and the rank of A? (c) Give a basis for the null space of A. (d) Give a basis for the column space of A.