Simplify the following matrix expressions. (a) A(A - 4B) + 2 B(A + B) - A2 + 7B 2 + 3AB

Chapter 2, Problem 12

(choose chapter or problem)

Simplify the following matrix expressions. (a) A(A - 4B) + 2 B(A + B) - A2 + 7B 2 + 3AB (b) B(2In - BA) + B(4In + 5A)B - 3BAB + 7B 2A (c) (A - B)(A + B) - (A + B)2

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