Test Academy | Which of the below condition is incorrect for the inverse of a matrix A? The matrix A must be a square matrix, A must be singular matrix, A must be a non-singular matrix, adj A≠0

Question

Which of the below condition is incorrect for the inverse of a matrix A?

Options :

The matrix A must be a square matrix
A must be singular matrix
A must be a non-singular matrix
adj A≠0

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