anonymous
  • anonymous
Find the solution for this differential equation: ((y^3)cosx - y)dx +(x+y^2)dy = 0 Helpppp
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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amistre64
  • amistre64
if its a special kind of equation, we can up one side, and then down it to the other to fill in some missing parts
amistre64
  • amistre64
if M(x,y) dx + N(x,y) dy and My = Nx, then we have a condition is suitable
anonymous
  • anonymous
they are not equal. the M=(3y^2)cosx - 1 and N=1

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amistre64
  • amistre64
what methods are available to you to work the problem with?
anonymous
  • anonymous
this question needs to be solved using the integrating factor by following the instructions in the worksheet. but I think I can use homogeneous coefficient if I still can't answer it
FibonacciChick666
  • FibonacciChick666
This will probably help you understand integrating factor a little better, check it out then let us know if it makes any more sense http://mathworld.wolfram.com/IntegratingFactor.html
dan815
  • dan815
|dw:1444023674912:dw|
dan815
  • dan815
that sub doesnt work
dan815
  • dan815
hmmm can u think of and substitutions to make it separable
dan815
  • dan815
we have to be able to get it in that dy/dx + p(x) y=g(x) form if u want to use integrating factor
dan815
  • dan815
http://www.wolframalpha.com/input/?i=%28%28y^3%29cosx+-+y%29dx+%2B%28x%2By^2%29dy+%3D+0
dan815
  • dan815
wolfram has confirm non lin equation, nothing we can do then
dan815
  • dan815
wolfram has all the built in bernoullis tricks so
anonymous
  • anonymous
it can't be solve?
FibonacciChick666
  • FibonacciChick666
hmm... did you copy the eq correctly?
FibonacciChick666
  • FibonacciChick666
this yea? \[((y^3)cosx - y)dx +(x+y^2)dy = 0\]
anonymous
  • anonymous
Yess

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