If A is an invertible matrix, then `("adj. "A)^(-1)` is equal to

If A is an invertible matrix, tehn (a d jdotA)^(-1) is equal to a d jdot(A^(-1)) b. A/(d e tdotA) c. A d. (detA)A

If A is an invertible matrix of order 2, then det (A^(-1)) is equal to

If A is an invertible matrix of order 2 thaen det (A)^(-1) is equal to

If A and B are two invertible matrices of the same order, then adj (AB) is equal to

If A is a 3xx3 skew-symmetric matrix, then trace of A is equal to -1 b. 1 c. |A| d. none of these

If A is a square matrix of order n, then |adj A|=

It A is an invertible matrix, then which of the following is not true.

If A is a singular matrix, then adj A is a. singular b. non singular c. symmetric d. not defined

If A is a non-singular matrix then |A^(-1)| =

If P is non-singular matrix, then value of adj(P^(-1)) in terms of P is (A) P/|P| (B) P|P| (C) P (D) none of these