If A is a squqre matrix such that `A^(2)=l`, then `A^(-1)` is equal to

If A is square matrix such that A^2 = I, then A ^-1 is equal to

If A square matrix such that A^2 = A , then (l+A )^3 -7A is equal to :

If A is a 3xx3 matrix such that |A|=-2 , then |-2A^(-1)| is equal to

If A is a square matrix such that A^(2)=l where l is the identity matrix, then what is the value of A^(-1) ?

If a matrix A is such that 3A^(3)+2A^(2)+5A+I=0, then A^(-1) is equal to

If a square matrix A is such that "AA"^(T)=l=A^(T)A , then |A| is equal to

If a matrix A is such that 3A^3 +2A^2+5A+I= 0 , then A^(-1) is equal to

If A is a square matrix and |A|!=0 and A^(2)-7A+I=0 ,then A^(-1) is equal to (I is identity matrix)