State whether or not the following matrices are defined if defined, find them as same as example question

CoursHeroTranscribedText: 4 . Let A = [ 7 ; ] B= [ o 10] c= [817 ] a) 10A -B b) BA C) CB d) BC Problem 5. Let A State whether or not the following matrices are defined, If they are defined, find them. 1. A + 38 2. AB 3. CB 4. BC 1. At 3 B = 2 2 29 22 37 2. AB= - 2. 9+ 5. 7 2.12 + 5 /0 1. 9+ 7. 7 12+ 710 1 53 5 4 72 3. C B In Grrect dimension s wide fred 4. BC = [9. 3 + 2. 15 9 . 1+2.0 9. 7 + 2 . 2 7. 3+ 10, 15 7. 1+10. 0 7. 7+ 10. 2 57 471 7 69