If \[A=\left[ \begin{matrix} 1 & 2 & 3 \\ 5 & 0 & 7 \\ 6 & 2 & 5 \\ \end{matrix} \right]\]and \[B=\left[ \begin{matrix} 1 & 3 & 5 \\ 0 & 0 & 2 \\ \end{matrix} \right]\], then which of the following is defined

If \[A=\left[ \begin{matrix} 1 & 2 & 3 \\ 5 & 0 & 7 \\ �

1.	If \[A=\left[ \begin{matrix} 1 & 2 & 3 \\ 5 & 0 & 7 \\ 6 & 2 & 5 \\ \end{matrix} \right]\]and \[B=\left[ \begin{matrix} 1 & 3 & 5 \\ 0 & 0 & 2 \\ \end{matrix} \right]\], then which of the following is defined
A.	AB
B.	\[A+B\]
C.	\[{A}'{B}'\]
D.	\[{B}'{A}'\]
Answer» D. \[{B}'{A}'\]

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If \[A=\left[ \begin{matrix} 1 & 2 & 3 \\ 5 & 0 & 7 \\ 6 & 2 & 5 \\ \end{matrix} \right]\]and \[B=\left[ \begin{matrix} 1 & 3 & 5 \\ 0 & 0 & 2 \\ \end{matrix} \right]\], then which of the following is defined

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