Full answer: In Exercises 1320, find, if possible, (a) A + B, (b) A B, (c) 3A, and (d)
Chapter 8, Problem 20(choose chapter or problem)
Operations with Matrices In Exercises 13-20, find, if possible, (a) A + B, (b) A - B, (c) 3A, and (d) 3A - 2B. Use the matrix capabilities of a graphing utility to verify your results.
\(A=\left[\begin{array}{r}3\\ 2\\ -1\end{array}\right],\quad\ \ B=\left[\begin{array}{lll}-4&6&2\end{array}\right]\)
Text Transcription:
A = [ _1 ^2 ^^3], B = [ _-4 6 2]
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