1. (15 Marks) By hand, use Gauss Elimination, LU Decomposition and the Gauss-Jordan method to solve the following system of linear equations to six significant figures. Show each step of your calculations. - 0.1x₁ +7x₂ − 0.3x3 = −19.3 0.3x₁ − 0.2x₂ + 10x3 = 71.4 3x₁-0.1x₂ - 0.2x3 = 7.85 that can be
