document.write( "Question 347502: find the inverse of the matrix.\r
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document.write( "-9 5
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document.write( "6 -3 \n" );
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Algebra.Com's Answer #248433 by fractalier(6550)![]() ![]() You can put this solution on YOUR website! Given a 2x2 square matrix \n" ); document.write( "[a b] \n" ); document.write( "[c d] \n" ); document.write( "the inverse is found by \n" ); document.write( " \n" ); document.write( "[d -b] \n" ); document.write( "[-c a] \n" ); document.write( "so your inverse is \n" ); document.write( "(-1/3) times \n" ); document.write( "[-3 -5] \n" ); document.write( "[-6 -9] \n" ); document.write( "OR \n" ); document.write( "(1/3) times \n" ); document.write( "[3 5] \n" ); document.write( "[6 9] \n" ); document.write( "OR \n" ); document.write( "[1 5/3] \n" ); document.write( "[2 3]\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |