Adj(kI)=(kI)−1|kI|
Shouldn't it be
Adj(kI)=(kI)−1|kI| I
?
Though the answer will remain same. @ Shubhanshu
@srivivek95 I took simple matrix inverse operation, which is:-
$A^{-1} = \frac{Adj(A)}{|A|}$
and then Cross multiplication.
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