PART C - Thinking Show all of your work. a = [ m , - 12 . 9] 6 = [5 , n, - 3] axb = 0 0 = [92b3 - 93bx, ab, - a, b3, a,b2 - a2b, ] 0 = [ 36- 9n, 45 - (3)m mn + 60]