4 Using as the initial guess (1,2,3), the values of x1,x2,x3 after one iterations in the Gauss- Seidel method for system above (4 Points) 12x1 + 7x2 + 3x3 = 2 X1 + 5x2 + x3 = -5 (2x1 + 7x2 11x3 = 6 O x1 = -1.16, x2 = -1.36, x3 = - None O x1 = -1.25 , x2 = -0.95 x3 = - O x = -1.75, x2 = -1..25, x3 = - O xi = -0.67 , x2 = -1.06, x3 = - Ox] = -0.91 , x2 = -1.21, x3 =