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xartaan
 3 years ago
Given a matrix A such that
\[A = \left[\begin{matrix}5 & 1 & 3 \\ 4 & 3 & 6 \\ 3 & 1 & 2\end{matrix}\right]\]
I am asked to compute:\[A5I_3\]
Now, since I_3 is the identity matrix, it looks like this right?: \[\left[\begin{matrix}5 & 0 & 0 \\ 0 & 5 & 0 \\ 0 & 0 & 5\end{matrix}\right]\]
xartaan
 3 years ago
Given a matrix A such that \[A = \left[\begin{matrix}5 & 1 & 3 \\ 4 & 3 & 6 \\ 3 & 1 & 2\end{matrix}\right]\] I am asked to compute:\[A5I_3\] Now, since I_3 is the identity matrix, it looks like this right?: \[\left[\begin{matrix}5 & 0 & 0 \\ 0 & 5 & 0 \\ 0 & 0 & 5\end{matrix}\right]\]

This Question is Closed

xartaan
 3 years ago
Best ResponseYou've already chosen the best response.1\[\left[\begin{matrix}0 & 1 & 3 \\ 4 & 2 & 6 \\ 3 & 1 & 3\end{matrix}\right]\] should be my solution right?
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