Math Chapter Wise Matrices And Determinants English MCQ KVS PGT 2023 Q.The characteristic polynomial of matrix A = 1 1 1 1 1 1 1 1 1 − − − − is: A–λ3/+ 2λ2 Bλ3/–3λ2 Cλ3 – 3λ2 + 4λ Dλ3/+ 3λ2 Show answer Correct answer: λ3/–3λ2