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4.3 Second-Order Determinants and Cramers Rule To derive Cramers Rule click here.here To see Cramers Rule click here.here To see examples click here.here To return to this menu click www.mathgarage.com

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Find the solution to a system of linear equations (2 Equations, 2 Unknowns) The General Case www.mathgarage.com

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Do you see a pattern or a generalization we can make? www.mathgarage.com

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Second-Order Determinant How can we use this idea to write the solution to the system? www.mathgarage.com

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This method of solving a linear system is called Cramers Rule. Gabriel Cramer was an 18 th century Swiss mathematician. http://www.gap-system.org/~history/Biographies/Cramer.html www.mathgarage.com

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5.4 Third Order Determinants and Cramer’s Rule. Third Order Determinants To solve a linear system in three variables, we can use third order determinants.

5.4 Third Order Determinants and Cramer’s Rule. Third Order Determinants To solve a linear system in three variables, we can use third order determinants.

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