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Answer:

Yes — this is another rule that works like real number math.


Practice with Matrix Addition

Matrix addition is associative, again because ordinary addition is being done on the corresponding elements of the two matrices.

Here is another matrix addition problem. Mentally form the sum (or use a scrap of paper):

Matrix Addition Problem

Hint: this problem is not as tedious as it might at first seem.


QUESTION 10:

What is the sum?