document.write( "Question 1164525: Find the values of x, y, and z so that matrix A =\r
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Algebra.Com's Answer #789178 by Edwin McCravy(20055) $\"\"$ $\"About$

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A square matrix is Invertible if and only if its determinant is non-zero.\r\n" );
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document.write( "We find its determinant\r\n" );
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document.write( "We can choose any values for x, y, z such that \r\n" );
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document.write( "I'll arbitrary choose x=3, y=-2, z=1 (to make the determinant 1, so its\r\n" );
document.write( "inverse will have all integer elements:\r\n" );
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document.write( "Then its inverse is\r\n" );
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document.write( "Edwin

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