Question 789779
find the difference quotient f(x+h)-f(x)/h for 
f(x) = sqrt(x/(x+1)
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f(x+h) = sqrt[(x+h)/(x+h+1)]
f(x) = sqrt(x/x+1)
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Subtract to get: {sqrt[(x+h)/(x+h+1)] - sqrt[x/(x+1)]}/h
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Cheers,
Stan H.
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