1. Use the Gauss-Seidel method (a) without relaxation and (b) with relaxation ( = 1.2) to solve the following system to a tolerance of s = 5%. If necessary, rearrange the equations to achieve convergence.

1.5x1 0.5x2 + 3.5x3 = 17 4x1 + 0.5x2 x3 = 10 x1 3x2 0.5x3 =19

Use paper-and-pencil computation showing all steps.