If `k` is a scalar and `l` is a unit matrix of order 3 then `adj(kl)` is equal to

If k is a scalar and I is a unit matrix of order 3 then adj(kI) is equal to (a) k^(3)I (b) k^(2)I (c) -k^(3)I (d) -k^(2)I

If k is a scalar and I is unit matrix of order 3, then adj(kI)=

If A is a square matrix of order n, then |adj (lambdaA)| is equal to

If A is a square matrix of order 2, then det (adj A) is equal to

If A is a square matrix of order n xx n then adj(adj A) is equal to

If A is a singular matrix of order n then A* (adj A) is equal to -

If A is a non-singular matrix of order 3, then adj(adj(A)) is equal to

If A is a non-singular matrix of order 3, then adj (adj A) is equal to