Problems on Adjoint of a Matrix

Adjoint OF square matrix

Illustrations based upon Adjoint OF Matrix ||Illustrations based upon Inverse OF Matrix || Jee Mains 2021 Feb Question

Properties OF adjoint OF a matrix|| Illustration|| Inverse OF matrix

Prove that adjoint of a symmetric matrix is also a symmetric matrix.

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

Cofactors|Examples|Adjoint Of Matrix|Examples|Important Theorems|OMR|Summary

Transpose OF a matrix || Adjoint OF a 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

Adjoint and Inverse of a Matrix

Compute the adjoint of the matrix A given by A=[145326010] and verify that A(adjA)=|A|I=(adjA)A