alienbrain
find y'. y = e^x / 1+x^2. use quotient rule.



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mathdood
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remember 1/x is the same as 1*x^1

TransendentialPI
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Remember low(d(high)high(d(low)) all over low^2

mathdood
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do the same thing just put the bottom in brackets and bring to the power of negative 1 then use chain rule

mathdood
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well product rule then chain rule

alienbrain
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solved. thanks guys.

mathdood
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no problem