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Select all statements below which are true for all invertible n×n matrices A and B A. AB=BA B. (In−A)(In+A)=In−A2 C. (A+B)(A−B)=A2−B2 D. A+In is invertible E. A9B5 is invertible F. (A+A−1)2=A2+A−2
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Select all statements below which are true for all invertible n×n matrices A and B

A. AB=BA
B. (In−A)(In+A)=In−A2
C. (A+B)(A−B)=A2−B2
D. A+In is invertible
E. A9B5 is invertible
F. (A+A−1)2=A2+A−2

User Zsofia
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9 votes
B hopes this help and can you mark me as brainles pls
User Pimvdb
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6 votes
B is the answer hope this helps
User Garrett Simpson
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