Problem: Report Error Let u and v be three-dlrnensional vectors such that the length of u is 2. the length of v ls l. and the angle between 1.1 and v when placed tail to tail is 120. Let A be a 3 X 3 matrix such that row1(A) = u, row;(A) : v, I'OW3(A) = 3n + 2v. Then what are Au and AV in that order? (Your answers should be numerical.) Yo ur An swer