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

Mathematics
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Other answers:

|dw:1358284117061:dw|
i really appreciate your help, but i'm having a little trouble reading your work.. :'(
|dw:1358284164559:dw|
i'still not comprehending... it's really hard to understand your work.. :"(
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thank you.. but anyone else know how ot do this differently? or clearly? :D
which part of that is complicated for you ?
the formula you used, which is different from what i have on my review sheet, and i still can't read someof your work :'(
ah.., let me try this myself :) i think i now get what you did!
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ok, i dont.get.this. where did the "S" come from?
s in figure is area of f(x)
could you try doing it without the "s"?
yeah without s i.e. f(x)= 1/x^2 ?
yes :)
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look if ok go on
oh... ok. im gonna have lf again. thank you:)
i meant try myself again.
do you know the mean value of integrals theory?
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, \[\frac{ 1 }{ 2 }(-3^{-1}+1^{-1}) = \frac{ 1 }{ 2 }(\frac{ 1 }{ -3 }+\frac{ 1 }{ 1 }) = \frac{ 1 }{ 2 }(\frac{ 2 }{ 3 })=\frac{ 1 }{ 3 }\]
and i dont know what to do next. but i do know that i have found(x*) so far.

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