make sure answer is right!!!!!!

Select all statements below which are true for all invertible n x n matrices A and B A. (A + B)2 = A + B2 + 2AB B. ABA-1 = B C. A+ A- is invertible D.I. - A)(I, + A) = I. - A2 E. (A + A-1)} = A + A-3 F. A is invertible