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

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

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

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

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

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

If A is a unit matrix of order n, then A(adjA) is

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 I is the unit matrix of order n, where kne0 is a constant, then adj(k)…………….

If I_n is the identity matrix of order n, then rank of I_n is