3. Vector A = a @z+azez+azez and B = b @+b2ez+bzez a) AB= ? b) A x B= ? c) VA= ? d) AB= ? e) Is A B = B A, yes or no? why? f) Is AB - BA, yes or no? why? g) How many components are in a i) Vector, ii) Dyad tensor? h) What is the order/rank of tensor and direction of the following operations? i) Cross product of two vectors ii) Dot product of two vectors