1.

Which of the following matrix is of the order 3×4.

A. A=\(\begin{bmatrix}3&4\\3&5\\4&5\end{bmatrix}\)
B. A=\(\begin{bmatrix}1&2&3\\5&7&9\end{bmatrix}\)
C. A=\(\begin{bmatrix}4&5&6 \\5&2&6\\6&4&7\\7&7&1\end{bmatrix}\)
D. A=\(\begin{bmatrix}1\\4\\6\end{bmatrix}\)
Answer» D.


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