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mlddmlnog

  • 3 years ago

find all values x* described in the mean value theorem for integrals. f(x)=s/x^2 [1,3]

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  1. mlddmlnog
    • 3 years ago
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    |dw:1358283986640:dw|

  2. mlddmlnog
    • 3 years ago
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    @zepdrix

  3. amoodarya
    • 3 years ago
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    |dw:1358284021076:dw|

  4. amoodarya
    • 3 years ago
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    |dw:1358284117061:dw|

  5. mlddmlnog
    • 3 years ago
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    i really appreciate your help, but i'm having a little trouble reading your work.. :'(

  6. amoodarya
    • 3 years ago
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    |dw:1358284164559:dw|

  7. mlddmlnog
    • 3 years ago
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    i'still not comprehending... it's really hard to understand your work.. :"(

  8. amoodarya
    • 3 years ago
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  9. mlddmlnog
    • 3 years ago
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    thank you.. but anyone else know how ot do this differently? or clearly? :D

  10. amoodarya
    • 3 years ago
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    which part of that is complicated for you ?

  11. mlddmlnog
    • 3 years ago
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    the formula you used, which is different from what i have on my review sheet, and i still can't read someof your work :'(

  12. mlddmlnog
    • 3 years ago
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    ah.., let me try this myself :) i think i now get what you did!

  13. amoodarya
    • 3 years ago
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  14. mlddmlnog
    • 3 years ago
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    ok, i dont.get.this. where did the "S" come from?

  15. amoodarya
    • 3 years ago
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    s in figure is area of f(x)

  16. mlddmlnog
    • 3 years ago
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    could you try doing it without the "s"?

  17. amoodarya
    • 3 years ago
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    yeah without s i.e. f(x)= 1/x^2 ?

  18. mlddmlnog
    • 3 years ago
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    yes :)

  19. amoodarya
    • 3 years ago
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  20. amoodarya
    • 3 years ago
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    look if ok go on

  21. mlddmlnog
    • 3 years ago
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    oh... ok. im gonna have lf again. thank you:)

  22. mlddmlnog
    • 3 years ago
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    i meant try myself again.

  23. amoodarya
    • 3 years ago
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    do you know the mean value of integrals theory?

  24. mlddmlnog
    • 3 years ago
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    ok, so here is what i did. \[\frac{ 1 }{ 3-1 }\int\limits_{1}^{3}\frac{ 1 }{ x ^{x} }dx = \frac{ 1 }{ 2 }\int\limits_{1}^{3}x ^{-2}dx ^{}\] \[\frac{ 1 }{ 2 }(-x ^{-1})\]from 1 to 3, \[\frac{ 1 }{ 2 }(-3^{-1}+1^{-1}) = \frac{ 1 }{ 2 }(\frac{ 1 }{ -3 }+\frac{ 1 }{ 1 }) = \frac{ 1 }{ 2 }(\frac{ 2 }{ 3 })=\frac{ 1 }{ 3 }\]

  25. mlddmlnog
    • 3 years ago
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    and i dont know what to do next. but i do know that i have found(x*) so far.

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