How would I multiply these matrices? (I thought this would be undefined but my teacher said it wasn’t)

When we do Matrix multiplication, we keep these two conditions in mind: 1 The number of columns of the first matrix in the multiplication process must equal the number of rows of the second.
here number of columns of 1st matrix is not equal to number of rows of 2nd matrix.
To learn more about this visit , https://brainly.in/question/3055575
#SPJ9