Write the word or phrase that best completes each statement or answers the question. Provide the missing information. -If A is a 3 matrix and B is a trix, then

Write the word or phrase that best completes each statement or answers the question.
Provide the missing information.
-If A is a 3 matrix and B is a trix, then the product AB will be a matrix of order
. The product BA (is/is not) defined.