document.write( "Question 1208434: Given (1/f) = (n - 1)[(1/a) + (1/b)], solve for f. \r
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Algebra.Com's Answer #846852 by Edwin McCravy(20055) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "Invert both sides:\r\n" );
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document.write( "Multiply top and bottom by ab:\r\n" );
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document.write( "Edwin

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