MCQ
Let $A = \left[ {\begin{array}{*{20}{c}}4&6&{ - 1}\\3&0&2\\1&{ - 2}&5\end{array}} \right],B = \left[ {\begin{array}{*{20}{c}}2&4\\0&1\\{ - 1}&2\end{array}} \right]$ and $C = [3\,\,1\,\,2]$. The expression which is not defined is
- A$B'B$
- B$CAB$
- ✓$A + B'$
- D${A^2} + A$