Q2 of 124 Page 167

If and verify that (A + B) + C = A + (B+C).

(A+B)+C




A+(B+C)




Therefore, (A+B)+C = A+(B+C)


It is true for any matrix


Conclusion: (A+B)+C = A+(B+C)


More from this chapter

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9

Construct a 3 × 4 matrix whose elements are given by

1

If and verify that (A + B) = (B + A).

 3

If and find (2A – B).

 4

Let and Find:

i. A + 2B


ii. B – 4c


iii. A – 2B + 3C