If `A=I` is 2x2 matrix then `det(I+A)=`

If A=I then det(I+A)=

If A is 3x3 matrix and det adj(A)=k then det(adj2A)=

If A is a 3x3 matrix and det(3A)=k{det(A)},k is equal to

If A is a 3x3 matrix and det (3A) = k {det(A)} , k is equal to

If A is a 3x3 matrix and det (3A) = k {det(A)} , k is equal to

If A is a 3x3 matrix and det (3A) = k {det(A)} , k is equal to

Suppose A is a 3xx3 matrix such that det(A)=2.2 then ("det"(adj(adjA)))/(("det"(A))^(2))= __________.

If M is a 3xx3 matrix, where det M = I and M M^(T) = I, where I is an identity matrix, prove that det(M-I) = 0

If M is a 3 xx 3 matrix, where det M=1 and MM^T=1, where I is an identity matrix, prove theat det (M-I)=0.