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appleduardo

how can i derivate the next function?

  • one year ago
  • one year ago

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  1. appleduardo
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    \[\frac{ 2x+4 }{ \sqrt{2x+4} }\]

    • one year ago
  2. etemplin
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    do you know the quotient rule?

    • one year ago
  3. appleduardo
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    not at all :/

    • one year ago
  4. etemplin
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    take a look at this: http://en.wikipedia.org/wiki/Quotient_rule theres a simple formula for it do you know the chain rule?

    • one year ago
  5. wio
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    Hint: \[ \sqrt{2x+4} \cdot \sqrt{2x+4} = 2x+4\]So\[ \frac{ 2x+4 }{ \sqrt{2x+4} } = \sqrt{2x+4} \]

    • one year ago
  6. appleduardo
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    mm i did the process step by step,, then i got = \[\frac{ 1 }{ \sqrt{2x+4} }\]

    • one year ago
  7. etemplin
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    @wio, that was creative, i never would have thought to simplify like that

    • one year ago
  8. etemplin
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    im fairly sure thats right @appleduardo

    • one year ago
  9. appleduardo
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    so am i wrong? mm

    • one year ago
  10. etemplin
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    no

    • one year ago
  11. appleduardo
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    ooh right! i understood! :D then if derivate what wio typed, ill get the same result i got! right?

    • one year ago
  12. etemplin
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    yes

    • one year ago
  13. appleduardo
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    thank you so much! :D you guys helped me a lot! :D thanks again

    • one year ago
  14. etemplin
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    welcome :)

    • one year ago
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