UPSKILL MATH PLUS
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Learn moreIf \(A =\begin{bmatrix}
5 & 10 & 2\\
-5 & 7 & 11
\end{bmatrix}, B = \begin{bmatrix}
7 & 12\\
9 & 13\\
-3 & 2
\end{bmatrix}, C =\begin{bmatrix}
2 &8 \\
2 & -7
\end{bmatrix}\)
5 & 10 & 2\\
-5 & 7 & 11
\end{bmatrix}, B = \begin{bmatrix}
7 & 12\\
9 & 13\\
-3 & 2
\end{bmatrix}, C =\begin{bmatrix}
2 &8 \\
2 & -7
\end{bmatrix}\)
Which of the following statements is/are correct?
i) \(AB\) matrix is \(\begin{bmatrix}
119 & 194\\
-5 & 53
\end{bmatrix}\)
119 & 194\\
-5 & 53
\end{bmatrix}\)
ii) \(BC\) matrix is \(\begin {bmatrix}
38 & -28\\
44 & -19\\
-2 & -38
\end{bmatrix}\)
38 & -28\\
44 & -19\\
-2 & -38
\end{bmatrix}\)
iii) \((AB)+C = \begin{bmatrix}
121 & 202\\
-114 & 254
\end{bmatrix}\)
121 & 202\\
-114 & 254
\end{bmatrix}\)
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