MATH 2211 Midterm: AnsQ6mt210

Find the matrix product AB. A = [-2 3 2 2], B = [-2 0 -1 2] Find AB. [4 0 -2 4] [6 1 4 -6] [4 -6 -2 1] [1 6 -6 4] A = [-1 3 5 6], B = [0 -2 6 1 -3 2] Find AB. [3 -7 0 6 -28 42] AB is not defined. [3 6 -7 -28 0 42] [0 -6 18 5 -18 12] Determine whether the two matrices are inverse of each other by computing their product. [-2 4 4 -4] middot [1/2 1/4 1/2 1/4] No Yes [5 3 3 2] and [2 -3 -3 5] Yes No Find the inverse, if it exists, of the given matrix. A = [3 0 -6 5] [1/3 0] [1/3 0] No inverse [1/5 0 2/5 1/3]

A = [1 4 2 5 3 6], B = [-2 0 3 1 4 -5], x = [1 2] Verify (AB)^T = B^T A^T for the matrices in Problem 4.

1 -2 751 and let C= 0 and let c-L . Find matrix B such that AB C 3 Let A-B 3. Let A3 2