Question

How do you multiply `((5, -2, 1))` and `((1, 2))`?

Answer 1

The Multiplication is not possible.

Explanation:

The First Matrix `[A]_(1xx3)`

The Second one `[B]_(1xx2)`

`:.` the no. of columns of `[A]=3!=1=`the no. of rows of `[B]`.

#:. Neither [A][B] nor [B][A] is possible.