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If order of matrix $A$ is $m \times p$ and order of matrix $B$ is $p \times n$, then what is the order of matrix $A B$ ? |
$m \times p$ $m \times n$ $p \times n$ $m \times 2$ |
$m \times n$ |
order (A) = $m \times p$ order (B) = $p \times n$ so order(AB) = $m \times n$ (values of row of A and column of B) |
