A square matrix A is said to be symmetric matrix if

A square matrix A is said skew - symmetric matrix if

A is symmetric matrix if A^T =

" A square matrix "A" is said to be a diagonal matrix if every "

A square matrix B is said to be an orthogonal matrix of order n if BB^(T)=I_(n) if n^(th) order square matrix A is orthogonal, then |adj(adjA)| is

If A is a square matrix,then AA is a (a) skew- symmetric matrix (b) symmetric matrix (c) diagonal matrix (d) none of these

If A is square matrix, A+A^(T) is symmetric matrix, then A-A^(T) =

When a square matrix is said to be invertible