Maths-
General
Easy

Question

Which of the following is not true

  1. Every skew-symmetric matrix of odd order is non-singular    
  2. If determinant of a square matrix is non-zero, then it is non singular    
  3. Adjoint of symmetric matrix is symmetric    
  4. Ad joint of a diagonal matrix is diagonal    

The correct answer is: Every skew-symmetric matrix of odd order is non-singular


    Every skew symmetric matrix of odd order is singular. So option (a) is incorrect.

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