1.5.31 Systems of Algebraic Equations
Condition: solve the system of linear algebraic equations by the methods of Kramer and Gauss, find the only solution, make a check. \ [\ left \ {\ begin {array} {l} x_ {1} +2 x_ {2} +3 x_ {3} = 3 \\ 2 x_} +6 x_ {2} +4 x_ {3} = 6 \\ 3 x_} +10 x_ {2 X_ {3} = 21 \ END {Array} \ Right. \]
Solving Systems of Algebraic Equations by the Methods of Gauss, Jordan-Gauss, Cramer and Using the Inverse Matrix. Homogeneous and non-Homogeneous Systems of Equations.