DeterminantHard
Question
If A = 
, then adj A =
, then adj A = Options
A.
B.
C.
D.
Solution
A = 
Matrix formed by cofactors of A = C =
Transpose of Matrix C = CT =
Adjoint of matrix A = CT = adj A =
Matrix formed by cofactors of A = C =
Transpose of Matrix C = CT =
Adjoint of matrix A = CT = adj A =
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