Solved: In Exercises 1320, find, if possible, (a) A + B, (b) A B, (c) 3A, and (d) 3A 2B
Chapter 8, Problem 14(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.
\(A=\left[\begin{array}{ll}1&2\\ 2&1\end{array}\right],\quad\ \ B=\left[\begin{array}{rr}-3&-2\\ 4&2\end{array}\right]\)
Text Transcription:
A = [ _2 1 ^1 2], B = [ _4 2 ^-3 -2]
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