The matrices are
and
.
Find product of
and
.
Multiplication of two matrices is possible if the number of columns in the first matrix equals the number of rows in the second matrix.
\Find product of
.
and 




The product of the matrix
.
Find product of
:
and
.
The product of the matrix
is undefined.
The product of the matrix
.
The product of the matrix
is un defined.