If `I` is a unit matrix of order `10`, then the determinant of `I` is equal to

If I is the unit matrix of order 10xx10 , then the determinant of I is equal to -

If A is an invertible matrix of order n, then the determinant of adj A is equal to

If I is unit matrix of order n, then 3I will be

If A is an invertible matrix of order n then determinant of adj(A) is equal to

If A=((2,-1),(-1,2)) and I is the unit matrix of order 2, then A^(2) is equal to -

If A= [[2,-1],[-1,2]] and I is the unit matrix of order 2 , then A^2 is equal to

If A(adiA)=5I where I is the identity matrix of order 3 , then |adjA| 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 A is square matrix of order 2 whose determinant is -i, find the value of |A(adj A)|.