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    Algebra and Trigonometry
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    Exam 10: Matrices and Determinants
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    Of the Products AB, BA, A<sup>2</sup>, and B<sup>2</sup>, Which Ones
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Of the Products AB, BA, A2, and B2, Which Ones

Question 84

Question 84

Multiple Choice

Of the products AB, BA, A2, and B2, which ones are possible for the given matrices? Of the products AB, BA, A<sup>2</sup>, and B<sup>2</sup>, which ones are possible for the given matrices?   A)  AB only B)  AB and BA only C)  BA only D)  A<sup>2</sup> and B<sup>2</sup> only E)  AB, BA, A<sup>2</sup>, and B<sup>2</sup>


A) AB only
B) AB and BA only
C) BA only
D) A2 and B2 only
E) AB, BA, A2, and B2

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