DeterminantHard
Question
If A = 
, then adj A =
, then adj A = Options
A.A′
B.I
C.O
D.A2
Solution
A = 
Matrix formed by Cofactors of A= C =
∴ Adj A = CT =
= A′
Matrix formed by Cofactors of A= C =
∴ Adj A = CT =
= A′Create a free account to view solution
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