2. A Determinant is a pure number associated with a Square matrix. If A = [aij]nxn , is a square matrix of the order n , then the determinant of A is denoted by |A| and is written as , a 11 a 12 …… a 1n a 21 a 22 …… a 2n |A| = . . . . . . a n1 a n2 …… a nn What is Determinant?