SOLUTION: Find the expansion of the binomial expression (A + B)^2 which will hold for all square matrices A and B of the same size.

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Question 1164310: Find the expansion of the binomial expression (A + B)^2 which will hold for all square matrices A and B of the same size.
Answer by ikleyn(52914) About Me  (Show Source):
You can put this solution on YOUR website!
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For such matrices, multiplication IS NOT COMMUTATIVE.


Therefore,  %28A+%2B+B%29%5E2 = A%5E2 + A%2AB + B%2AA + B%5E2.    ANSWER