in an upper triangular matrix A=[aij]n*n the elements aij=0 for(A) i(B) i=j(C) ij(D) i Share with your friends Share 0 Ajanta Trivedi answered this in upper triangular matrix , aij=0 for i>j upper triangular matrix: A=a11a12.....a1n0a22.....a2n.0a33........0......ann hope this helps you 1 View Full Answer