Matrix Determinant and Adjoint (Jee Mains) | ExamDuo
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Determinants
Hard
Matrix Determinant and Adjoint
Let A be a square matrix of order 3 such that det(A) = –2 and det(3adj(–6adj(3A))) = 2
m+n
.3
mn
, m > n. Then 4m + 2n is equal to _____.
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