Adjoint of Matrix

Minors and Cofactors |Adjoint of a matrix|Properties of adjoint |Previous year questions |Inverse of a Matrix |Solution of system of linear equations

The adjoint of a matrix A=[(3,1,2),(4,5,-1),(3,2,-1)] is

Adjoint Of A Matrix|Theorem 1|Singular And Non - Singular Matrices|Theorem 2|Exercise Questions|OMR

If A is matrix of order 3 such that |A|=5 and B= adj A, then the value of ||A^(-1)|(AB)^(T)| is equal to (where |A| denotes determinant of matrix A. A^(T) denotes transpose of matrix A, A^(-1) denotes inverse of matrix A. adj A denotes adjoint of matrix A)

Transpose OF a matrix || Adjoint OF a matrix

Adjoint OF a matrix || Inverse OF a matrix

Which of the following is/are incorrect? (i).Adjoint of symmetric matrix is symmetric (ii).Adjoint of unit matrix is a unit matrix (iii). A(adjA)=(adjA)A=!|A|I (iv). Adjoint of a diagonal matrix is a diagonal matrix

Which of the following is/are incorrect? (i) adjoint of a symmetric matrix is symmetric (ii) adjoint of a unit matrix is a unit matrix (iii) A (adj A)=(adj A)A=absAI (iv) adjoint of a diagonal matrix is a diagonal matrix

Write the adjoint of the matrix A=[(-3, 4),(7,-2)] .

Find the adjoint of the matrix: [(1,2),(3,4)]