Linear System of Equations with Parameters
1. Solving a Linear System of Equations with Parameters by Cramer's Rule

1. Find the rank of the matrix of coefficients:


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2. Find the rank of the augmented matrix:


3. Study the obtained information and determine what type of system it is:
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4. Solve the compatible system by Cramer's rule (also can be solved by the Gauss Elimination method).


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2. Solving a Linear System of Equations with Parameters by the Gauss Elimination Method
It needs to be determined whether there is any value of m to make the system consistent. If so, solve the system for that value of m.

Examples



If a = 0.

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If a = −3


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a ≠ 1 r = 3 n = 3
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