If A and B are invertible matrices then which of the following is not correct
A. Adj A = |A|. A-1
B. det (A-1) = (det A)-1
C. (AB)-1 = B-1A-1
D. (A + B)-1 = A-1 + B-1
Answer:D
If A and B are invertible matrices then which of the following is not correct
A. Adj A = |A|. A-1 B. det (A-1) = (det A)-1 C. (AB)-1 = B-1A-1 D. (A + B)-1 = A-1 + B-1