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bmelyk

  • 3 years ago

find the second and third derivative of: 6/9+x

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  1. bmelyk
    • 3 years ago
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    for my first derivative i had \[\frac{ -6 }{ (9+x)^2 }\]

  2. bmelyk
    • 3 years ago
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    my second i had: \[\frac{ x^2-27x+6 }{ (9+x)^4 }\] is that one right?

  3. zepdrix
    • 3 years ago
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    |dw:1352139362045:dw| Hmm this is what I'm coming up with, It's probably easier to apply the power rule instead of .. quotient rule or whatever you did there :o

  4. bmelyk
    • 3 years ago
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    so thats the second derivative, did i have the first one right?

  5. zepdrix
    • 3 years ago
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    Yah first one looks good! :)

  6. bmelyk
    • 3 years ago
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    and is the third: \[\frac{ 36 }{ (9+x)^4 }\]

  7. zepdrix
    • 3 years ago
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    Hmmm yah looks good.

  8. bmelyk
    • 3 years ago
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    thx

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