[" 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

Let A be a non - singular square matrix such that A^(2)=A satisfying (I-0.8A)^(-1)=I-alphaA where I is a unit matrix of the same order as that of A, then the value of -4alpha is equal to

Let A be a non - singular square matrix such that A^(2)=A satisfying (I-0.8A)^(-1)=I-alphaA where I is a unit matrix of the same order as that of A, then the value of -4alpha is equal to

A square matrix A of order 3 satisfies A^(2)=I-2A , where I is an identify matrix of order 3. If A^(n)=29A-12I , then the value of n is equal to

A square matrix A of order 3 satisfies A^(2)=I-2A , where I is an identify matrix of order 3. If A^(n)=29A-12I , then the value of n is equal to

If A is an idempotent matrix satisfying,(I-0.4A)^(-1)=I-alpha A, where I is the unit matrix of the name order as that of A, then th value of |9 alpha| is equal to