If A and B are invertible matrices, then which of the following is not correct ?

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-1 A-1(d)(A+B)-1 = B-1 + A-1

(d) Given A and B are invertible matrices .