Math Chapter Wise Matrices And Determinants English MCQ RPSC PGT 2022 Q.If P is an invertible matrix, then incorrect statement is AIf P is a diagonal matrix, then P–1 is also diagonal matrix. BIf P is a symmetric matrix, then P–1 will also be symmetric. CIf P is scalar matrix, then P–1 will also be scalar. DIf |P| = 6, then |P–1 | = 6 Show answer Correct answer: If |P| = 6, then |P–1 | = 6