Which of the following step is not involved in gauss elimination method (a) elhmination of unknowns (b) reduction to an upper triangular system () evaluation of

Which of the following step is not involved in Gauss Elimination Method (a) Elhmination of unknowns (b) Reduction to an upper triangular system () Evaluation of cofactors (d) Finding unknowns by back substitution O A OB Oc OD 5 The smallest eigen value of matrix A, where. 0 (a) 2 (b) 0.2 (C) 0.33 d) 0.5 O A O B O c OD