If A = [ * 20 c 0&1& - 2 - 1 &0&5 2& - 5 &0 ], then - Vidyadip

MCQ

If $A = \left[ {\begin{array}{*{20}{c}}0&1&{ - 2}\\{ - 1}&0&5\\2&{ - 5}&0\end{array}} \right]$, then

A
$A' = A$
✓
$A' = - A$
C
$A' = 2A$
D
None of these

✓

Answer

Correct option: B.

$A' = - A$

b
(b) $A' = \left[ {\begin{array}{*{20}{c}}0&{ - 1}&2\\1&0&{ - 5}\\{ - 2}&5&0\end{array}} \right] = - A$.

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