document.write( "Question 1072286: If a^x=bc;b^y=ca;c^z=ab then prove x/(x+1) + y/(y+1) + z/(z+1) =2 \n" ); document.write( "

Algebra.Com's Answer #687204 by Edwin McCravy(20059) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"a%5Ex\"$ $\"%22%22=%22%22\"$ $\"bc\"$ ; $\"b%5Ey\"$ $\"%22%22=%22%22\"$ $\"ca\"$ ; $\"c%5Ez\"$ $\"%22%22=%22%22\"$ $\"ab\"$ then prove $\"x%2F%28x%2B1%29+%2B+y%2F%28y%2B1%29+%2B+z%2F%28z%2B1%29\"$ $\"%22%22=%22%22\"$ $\"2\"$
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document.write( "To avoid doing essentially the same thing three times, \r\n" );
document.write( "I'll just do it once with the letters p,q,r,s and use it as\r\n" );
document.write( "a formula for each of the fractions:\r\n" );
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document.write( "Therefore,\r\n" );
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document.write( "and therefore, using the above as a formula,\r\n" );
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document.write( "Edwin

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