13. Find the inverse of A: 1 1 1 _ Use any method. Show your solution. 0 2 3 5 5 1 14.1fA= [12 3] and B: 1 2 4 4 2 5 3 5 I] 2 4 0 l Find AB and BA. Show your solution. 15. Refer to problem 14, nd ATB and (AB)? Show your solution