For any 2x2 matrices A and B show that (A+B)T=A^T+B^T

3. Find N (a) AT when A = OH 1 2 2 (b) Find AA where A = (c) For any two 2 x 2 matrices A and B, show that (A + B)T = AT + BT. A = 2 b ) AA T = [ 8 2 4 7 2 ; = [ 21 lo 5 ( )