Find the Dimension of Matrix A $A = \left[ \begin{array} { l l l } - 1 & 2 & - 3 \\4 & - 5 & 6\end{array} \right]$

Multiple Choice

Find the dimension of matrix A. $A = \left[ \begin{array} { l l l } - 1 & 2 & - 3 \\4 & - 5 & 6\end{array} \right]$

A) $2 \times 3$
B) $2 \times 4$
C) $3 \times 2$
D) $1 \times 3$
E) none