[" 18.If A be a square matrix such that "A^(2)=A" ,find det "],[" (A)."]

If A is a square matrix such that A^2=A then det A=

if A is a square matrix such that A^(2)=A, then det (A) is equal to

if A is a square matrix such that A^(2)=A, then det (A) is equal to

if A is a square matrix such that A^(2)=A, then det (A) is equal to

If A is a 2×2 square matrix with |A|=3 then find |3A|

If A is a square matrix of order 2, then find det(adjA) .

If A is 2 xx 2 square matrix, such that det A = 9, then det (9A) =______.

If B is a non singular matrix and A is a square matrix such that B^-1 AB exists, then det (B^-1 AB) is equal to

If A and B are square matrices of order 3 such that det(A)=-2 and det(B)=4, then : det(2AB)=