Question bank/JEE Main/Mathematics

JEE MainMathematicsEasyMatrix and determinants

For 3×3 matrices A and B, which of following statement is
incorrect?

Show answer and solution
for symmetric matrix; [A⊤=A]\lbrack A^{\top} = A\rbrack
for skew symmetric matrix;
[AT=−A]\lbrack A^{T} = - A\rbrack
we know that via property
[adj(AB)=(adjB)(adjA)]\lbrack adj(AB) = (adjB)(adjA)\rbrack

Source: Grass-G / M-17 Mathematics Paper 26 Nov Second.docx

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