Question 154771
what is 1/9+1/3x divided by x/9-1/x
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1/9 + 1/3x = (x+3)/9x
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x/9 - 1/x = (x^2 - 9)/9x
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1/9+1/3x divided by x/9-1/x = [(x+3)/9x]/[x^2-9)/9x] 

= 1/(x-3)
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Cheers,
Stan H.