3. The following system of linear equations Ax = b 2.107 1 -2.345 | 1.001 -0.2345 0.1234 1.115 J r2 345.404... 37.329... T1 has exact solution example, if the (2,2)-entry of A is perturbed to be -1.111, then the exact solution of this perturbed linear system is This problem is ill-conditioned; for T2 3. The following system of linear equations Ax = b 2.107 1 -2.345 | 1.001 -0.2345 0.1234 1.115 J r2 345.404... 37.329... T1 has exact solution example, if the (2,2)-entry of A is perturbed to be -1.111, then the exact solution of this perturbed linear system is This problem is ill-conditioned; for T2