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3. Which of the following statements is wrong for the nxn matrices A and B? (a) A is invertible = |Adj(A) = |A". (b) A a
Posted: Mon Apr 11, 2022 6:01 am
by answerhappygod
- 3 Which Of The Following Statements Is Wrong For The Nxn Matrices A And B A A Is Invertible Adj A A B A A 1 (30.04 KiB) Viewed 29 times
3. Which of the following statements is wrong for the nxn matrices A and B? (a) A is invertible = |Adj(A) = |A". (b) A and B are diagonal matrices + AB = BA. (c) A is invertible + Adj(A-4)= (Adj(A))-? (d) A² = A=I-2A = (1 - 2A)-1 (e) If A and B are skew-symmetric matrices, then the matrix A+ BT is also a skew-symmetric matrix. -