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Select all statements below which are true for all invertible n×n matrices A and B A....

Select all statements below which are true for all invertible n×n matrices A and B

A. AB=BA
B. (A+B)^2=A^2+B^2+2AB
C. (In−A)(In+A)=In−A^2
D. 7A is invertible
E. (AB)^−1=A^−1*B^−1
F. A+A^−1 is invertible

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