What is it that you are looking for ?
x or y ?
Answer:
I dont really do this kind of work but i think its A
Step-by-step explanation:
Answer:
2nd answer. it is because it is
ANSWER

EXPLANATION
The dimensions of a matrix is of the form:

The dimensions of the first matrix is

The dimensions of the second matrix is

Since the inner products are the same,the outer products give the dimensions of the product of the two matrices.

Therefore the dimensions of the product is a 2×2 matrix.