Lecture 2 Use elimination to solve a system of equations Objective get zeros below the diagonal triangular Use back substitution to nd x 2x 3y 0z 0 6x 10y z 1 0x 4y 6z 5 Augmented Matrix 2x 3y 0z 0 0x 1y 1z 1 0x 0y 2z 1 Possible Problems Zero Pivot Singular Matrix
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