Get answer: In Exercises 4146, find, if possible, (a) AB, (b) BA, and (c) A2. (Note: A2
Chapter 8, Problem 45(choose chapter or problem)
Operations with Matrices In Exercises 41-46, find, if possible, (a) AB, (b) BA, and (c) \(A^{2}\). Note: \(A^{2}=A A\). Use the matrix capabilities of a graphing utility to verify your results.
\(A=\left[\begin{array}{r}7\\ 8\\ -1\end{array}\right],\quad\ B=\left[\begin{array}{lll}1&1&2\end{array}\right]\)
Text Transcription:
A^2
A^2 = AA
A = [ _-1 ^8 ^^7], B = [ _1 1 2]
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