go to previous page   go to home page   go to next page

Do you think that: (A + B) + C = A + (B + C)

Answer:

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

Practice with Matrix Addition

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

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

QUESTION 10:

What is the sum?