Idempotent Matrix

The sum of the idempotent matrices A and B is idempotent if :

Let A and b are two square idempotent matrices such that ABpm BA is a null matrix, the value of det (A - B) cannot be equal

"Let "A" and "B" are two square idempotent matrices such that (AB+-BA) is a null matrix,then Sum of all possible values of det(A+B)" is"

Iluustration Based upon Symmetric and Skew Symmetric Matrix || Theory OF Idempotent, Nilpotent, Involntry, Orthogonal and Periodic Matrix

Let A be 3xx3 matrix such that A is orthogonal idempotent then

In which of the following type of matrix inverse does not exist always? a. idempotent b. orthogonal c. involuntary d. none of these

In which of the following type of matrix inverse does not exist always? a. idempotent b. orthogonal c. involuntary d. none of these