Chapter 8.3, Problem 63SR

To determine

The answer to the matrix operation.

Answer to Problem 63SR

  $\text{Impossible}$

Explanation of Solution

Given:

The given matrix is:

  $\left[\begin{array}{c}25\\ -8\\ -23\end{array}\right]+\left[\begin{array}{cccc}-9& 21& -2& 7\end{array}\right]$

Calculation:

The solution for the given matrix can be obtained as:

  $\left[\begin{array}{c}25\\ -8\\ -23\end{array}\right]+\left[\begin{array}{cccc}-9& 21& -2& 7\end{array}\right]$

The matrices cannot be added because the number of rows and columns do not match.