document.write( "Question 1180578: i have this question on matrix:\r
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Algebra.Com's Answer #810330 by ikleyn(52778) $\"\"$ $\"About$

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document.write( "Determinant of this matrix is  (a-b)*(a-c)*(b-c).     ANSWER\r\n" );
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document.write( "To calculate the determinant, exclude \"a\" and \"a^2\" from the first column by making elementary transformations of rows.\r\n" );
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document.write( "Then calculate the determinant of the associated (2 x 2)-matrix.\r\n" );
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