document.write( "Question 1046198: ((1/xy)-1)/((1/x^2)-(y/x)) \n" ); document.write( "

Algebra.Com's Answer #661700 by josgarithmetic(39617) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"%28%281%2Fxy%29-1%29%2F%28%281%2Fx%5E2%29-%28y%2Fx%29%29\"$ \r
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\n" ); document.write( "\n" ); document.write( "Multiply the entire fraction by $\"%28x%5E2y%29%2F%28x%5E2y%29\"$ and simplify.\r
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\n" ); document.write( " $\"highlight%28%28x-x%5E2y%29%2F%28y-xy%5E2%29%29\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"highlight%28%28x%281-xy%29%29%2F%28y%281-xy%29%29%29\"$ ,
\n" ); document.write( "which is almost the same as $\"x%2Fy\"$ , but does not truely mnean the same. In the case that xy=1, the expression will be undefined, except in the \"simplifed\" form, but $\"x%2Fy\"$ is NOT identical with $\"%28x%281-xy%29%29%2F%28y%281-xy%29%29\"$ . \n" ); document.write( "

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