Explain why each of the following algebraic rules will not work in general when the real
Chapter 1, Problem 1(choose chapter or problem)
Explain why each of the following algebraic rules will not work in general when the real numbers a and b are replaced by n n matrices A and B. (a) (a + b)2 = a2 + 2ab + b2 (b) (a + b)(a b) = a2 b2
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