bahrom7893
  • bahrom7893
Integrating factors question? Okay I have this question. I will just type myu (the Greek letter) as m. So guys I was looking at examples of integrating factors and on youtube this person said that it doesn't matter whether you pick m(x) or m(y) or m(x;y). But if I pick any of them, will it change my answer, or will it not allow me to solve the differential equation? Because on the test, say I pick m(x) and try solving for it, first, I don't want to waste time, if for example my equation would be easier to solve if I picked m(y), and second what if it gives me wrong answer? So is there any way
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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bahrom7893
  • bahrom7893
to know whether I should pick m(x) or m(y) or m(x;y)?? It's like integration by parts, where you pick the u to be a function, that if you differentiate, it will eventually become 0 (example in x*e^x, u =x, dv = e^x). So I was wondering if you can know in terms of what variable to pick myu, so as not to waste time on the test.
bahrom7893
  • bahrom7893
Okay I know how... Just found this: If (My-Nx)/N is a function of x only, then we find integrating factor μ as follows μ = e^(∫ (My-Nx)/N dx) If (Nx-My)/M is a function of y only, then we find integrating factor μ as follows μ = e^(∫ (Nx-My)/M dy)
bahrom7893
  • bahrom7893
can I fan myself?

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bahrom7893
  • bahrom7893
=)

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