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how to differentiate 36/(x^2+9) watch

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    • Thread Starter
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    i put this in the derivative calculator and it gave me
    -72x/((x^2+9)^2)???
    how would you do this and what is the general formula for differentiating reciprocal functions
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    Rewrite as 36(x^2+9)^-1 then differentiate
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    opps sorry i read the question wrong and typed in it wrong i meant integrate 36/(x^2+9)
    (Original post by BobbJo)
    Rewrite as 36(x^2+9)^-1 then differentiate
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    (Original post by assassinbunny123)
    opps sorry i read the question wrong and typed in it wrong i meant integrate 36/(x^2+9)
    Use the appropriate substitution concerning tan.
 
 
 
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Updated: March 9, 2018

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