Let A = left[ {begin{array}{*{20}{c}}4&6&{ - 1}3&0&21&{ - 2}&5end{array}} ri

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3 and 4 .Determinants and Matrices

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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

$CAB$

C

$A + B'$

D

${A^2} + A$

Solution

(c) It is obvious.

Standard 12

Mathematics

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