Question

What is the size of the matrix that results in multiplying a 5 by 3 matrix by a 3 by 2 matrix?

A.
undefined
B.
5 by 3 matrix
C.
5 by 2 matrix
D.
2 by 5 matrix

Answer 1

\(\begin{bmatrix}
\square &\square &\square \\
\square &\square &\square \\
\square &\square &\square \\
\square &\square &\square \\
\square &\square &\square \\
\end{bmatrix}\times \begin{bmatrix}
\square &\square &\square \\
\square &\square &\square \\
\square &\square &\square \\
\end{bmatrix}\quad ?\)

Answer 2

or you meant \(\begin{bmatrix}
\square &\square &\square&\square &\square \\
\square &\square &\square&\square &\square \\
\square &\square &\square&\square &\square \\
\end{bmatrix}\times \begin{bmatrix}
\square &\square &\square \\
\square &\square &\square \\
\square &\square &\square \\
\end{bmatrix}\quad ?\)