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calyne

  • 2 years ago

Differentiate the function y = ln(e^[-x] + xe^[-x])

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  1. Arnab09
    • 2 years ago
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    apply chain rule

  2. BlowjobBlowjobBlowjob
    • 2 years ago
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    hello

  3. Arnab09
    • 2 years ago
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    who? me?

  4. calyne
    • 2 years ago
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    .....

  5. calyne
    • 2 years ago
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    help me

  6. Arnab09
    • 2 years ago
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    u know how to apply chain rule? @calyne?

  7. calyne
    • 2 years ago
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    yeah i know that pellet what's the derivative of e^[-x]

  8. Arnab09
    • 2 years ago
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    wait a while..

  9. calyne
    • 2 years ago
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    what

  10. calyne
    • 2 years ago
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    are you joking

  11. Arnab09
    • 2 years ago
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    1 Attachment
  12. Arnab09
    • 2 years ago
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    that will be dy/dx, in the picture^^

  13. apoorvk
    • 2 years ago
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    THAT WAS FAST!!! kudos @arnab09

  14. Eyad
    • 2 years ago
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    y'=-x\(x+1),here is the steps :Dhttp://www4c.wolframalpha.com/Calculate/MSP/MSP15221a13hh36a69i0df100003gi12aabhd746hb7?MSPStoreType=image/gif&s=4&w=472&h=1028

  15. Eyad
    • 2 years ago
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    @Arnab09 :have u just write that now and upload it now !??????

  16. Arnab09
    • 2 years ago
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    yep..

  17. Eyad
    • 2 years ago
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    WOW,that was Extremely fast !!!!!!

  18. Arnab09
    • 2 years ago
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    maybe.. :/

  19. Arnab09
    • 2 years ago
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    thanx, BTW

  20. Arnab09
    • 2 years ago
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    u got it? @calyne??

  21. Eyad
    • 2 years ago
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    your welcome :)

  22. DHASHNI
    • 2 years ago
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    y = ln(e^[-x] + xe^[-x]) y=-x( ln (e))+xe^(-x)=-x+xe^(-x) =x(e(-x)-1) dy/dx = x(-e(-x))+(e(-x)-1)

  23. DHASHNI
    • 2 years ago
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    and for ur info ln e =1

  24. Arnab09
    • 2 years ago
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    idk how u got the second step, @dhashni

  25. DHASHNI
    • 2 years ago
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    applying logarithm simplification ln(e^(-x))=-xlne=-x

  26. Arnab09
    • 2 years ago
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    yeah, but the second part.. u cant get the term after + sign out of log

  27. DHASHNI
    • 2 years ago
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    yeah i made a blunder mistake !!!!

  28. DHASHNI
    • 2 years ago
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    |dw:1334424165372:dw|

  29. DHASHNI
    • 2 years ago
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    |dw:1334424204454:dw|

  30. Arnab09
    • 2 years ago
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    i.e: -x+ln(1+x), nice..

  31. DHASHNI
    • 2 years ago
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    |dw:1334424237437:dw|

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