suppose matrix product AB is defined
Qa)if A is a 6x5 and B is a column matrix,give the dimensions of B and AB
my ans: Dimension of B = 6x1 and Dimension of AB=6x1---plse assist to check
Qb)If A is the identitiy matrix and B is a 6x6 , what size is A
My ans: A is 6x6
c)If A is 7x8 and B is the identity matrix, what is the size of B
my ans: The size of B is 7x7
Plse kindly check for me and help where possible.....