Question

If $A$ is matrix of order $m\times n$ and $B$ is a matrix of order $n\times p,$ then the order of $AB$ is

• A. $p\times m$
• B. $p\times n$
• C. $n\times p$
• D. $m\times p$

Answer 1

The correct option is D $m\times p$

If $A$ is matrix of order $m\times n$ and $B$ is a matrix of order $n\times p,$ then the order of $AB$ is $m\times p.$