UsukiDoll
  • UsukiDoll
What is the derivative of this function? I've done it but I want to know if I'm on the right track.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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UsukiDoll
  • UsukiDoll
|dw:1377768465370:dw|
UsukiDoll
  • UsukiDoll
|dw:1377768523567:dw|
UsukiDoll
  • UsukiDoll
where c1 and c2 are any number

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More answers

UsukiDoll
  • UsukiDoll
|dw:1377768572575:dw|
UsukiDoll
  • UsukiDoll
I think it's the second derivative that's driving me nuts because the first and second derivatives must fit in mg-ks'=ms'' and the left and right must equal zero
UsukiDoll
  • UsukiDoll
mg/k goes out for the second derivative.
UsukiDoll
  • UsukiDoll
|dw:1377768830215:dw|
UsukiDoll
  • UsukiDoll
that is what's bugging me.
UsukiDoll
  • UsukiDoll
is it like product rule twice?
UsukiDoll
  • UsukiDoll
like leave the c2 out in a bit leave -k/m alone deal with e^(-k/m)t and then leave e^(-k/m)t alone deal with -k/m
UsukiDoll
  • UsukiDoll
|dw:1377768982943:dw|
UsukiDoll
  • UsukiDoll
how the heck did I get 2 k's?!!?!?!
UsukiDoll
  • UsukiDoll
|dw:1377769086354:dw|
UsukiDoll
  • UsukiDoll
|dw:1377769159159:dw| it must fit into this equation. the left and right has to be zero, but I got something extra on the right.
UsukiDoll
  • UsukiDoll
can anyone check if my second derivative is correct?
CGGURUMANJUNATH
  • CGGURUMANJUNATH
|dw:1377769425555:dw|
CGGURUMANJUNATH
  • CGGURUMANJUNATH
it is correct only can u tell me what is your confusion ?
CGGURUMANJUNATH
  • CGGURUMANJUNATH
|dw:1377769696776:dw|
UsukiDoll
  • UsukiDoll
ok... the first and second derivative must fit into this equation mg -ks'=ms''
UsukiDoll
  • UsukiDoll
I have to show that the function above is a solution to mg-ks'=ms''
UsukiDoll
  • UsukiDoll
show that any numbers c1 and c2 the function s(t) = (mg/k)t+c1+c2e^(-k/m)t is a solution to mg-ks'=ms''
UsukiDoll
  • UsukiDoll
the left side works, but the right is whacked
CGGURUMANJUNATH
  • CGGURUMANJUNATH
|dw:1377770060217:dw|
UsukiDoll
  • UsukiDoll
|dw:1377770112927:dw|
CGGURUMANJUNATH
  • CGGURUMANJUNATH
s
CGGURUMANJUNATH
  • CGGURUMANJUNATH
|dw:1377770138841:dw|
CGGURUMANJUNATH
  • CGGURUMANJUNATH
is it clear ?
CGGURUMANJUNATH
  • CGGURUMANJUNATH
@UsukiDoll
CGGURUMANJUNATH
  • CGGURUMANJUNATH
R U THERE ?
UsukiDoll
  • UsukiDoll
yup I got it! YESSSSSSSSSSS! :D
UsukiDoll
  • UsukiDoll
and I got it to be zero on both sides. you were right on the (-k/m)(-k/m) it's (k^2/m^2)
UsukiDoll
  • UsukiDoll
and then I distributed a letter and then I saw the whole thing finally matching. yay!
CGGURUMANJUNATH
  • CGGURUMANJUNATH
VERY GOOD.
CGGURUMANJUNATH
  • CGGURUMANJUNATH
|dw:1377770639707:dw|
UsukiDoll
  • UsukiDoll
yup putting this on my paper.
CGGURUMANJUNATH
  • CGGURUMANJUNATH
BE HAPPY ALWAYS :)

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