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
    ${A^2} + A$

Answer

Correct option: C.
$A + B'$
c
(c) It is obvious.

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