Can you help me understand this 3 questions, and please give details step by step, thank you

Q1 (3 points) a) LetA = l; 3] and let 0 be the 2 X 2 zero matrix. Find a NONZERO 2 X 2 matrixB such that AB = 0. 1 b) LetA = [0 3] . Find two distinct nonzero 2 x 2 matrices B and C such thatAB = AC. 0) Find a counterexample to show that (A + B)'1 96 A"1 + B'1 . 02 (4 points) 2 0 1 LetA = 1 5 1 2 3 0 a) Compute A1 . 1 b) Use A"1 to solve the following system of linear equations: Ax\": b, where b = 2 . 3 03 (3 points) Briefly explain why each of the following matrices is NOT invertible. a) An n x n matrix with a zero row. b) An :1 X 11 matrix where one row is a multiple of another row. c) An 11 X n matrix with a zero column or where one columns is a multiple of another column. + Drag and drop your images or click to browse