In Exercises 2530, determine A * B.A = C 476 -231 512 S ,
Chapter 7, Problem 7.1.147(choose chapter or problem)
In Exercises 2530, determine A X B.
\(A=\left[\begin{array}{rrr}4 & 7 & 6 \\-2 & 3 & 1 \\5 & 1 & 2\end{array}\right]\)
\(B=\left[\begin{array}{lll}1 & 0 & 0 \\0 & 1 & 0 \\0 & 0 & 1\end{array}\right]\)
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