Example 9 - D , is formed by taking the coefficients of x...

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Example 1 Evaluate the following determinant. Example 2 Solve the following system by using determinants. To solve this system, three determinants are created. One is called the  denominator determinant labeled  D;  another is the  x -numerator determinant  , labeled  D x and the third is the  y -numerator  determinant  , labeled  D y   The denominator determinant, 
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Unformatted text preview: D , is formed by taking the coefficients of x and y from the equations written in standard form. The x-numerator determinant is formed by taking the constant terms from the system and placing them in the x-coefficient positions and retaining the y-coefficients....
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