Chapter 11.5, Problem 10SE

For the following exercises, use the matrices below and perform the matrix addition or subtraction. Indicate if the operation is undefined.

$A=\left[\begin{array}{cc}1& 3\\ 0& 7\end{array}\right],B=\left[\begin{array}{cc}2& 14\\ 22& 6\end{array}\right],C=\left[\begin{array}{c}1\\ 8\\ 12\end{array}\begin{array}{c}5\\ 92\\ 6\end{array}\right],D=\left[\begin{array}{c}10\\ 7\\ 5\end{array}\begin{array}{c}14\\ 2\\ 61\end{array}\right],E=\left[\begin{array}{cc}6& 12\\ 14& 5\end{array}\right],F=\left[\begin{array}{c}0\\ 78\\ 15\end{array}\begin{array}{c}9\\ 17\\ 4\end{array}\right]$

C + F