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lilMissMindset

  • 3 years ago

help me get the general solution please. y'' - 3y' -4y=30e^{4x}

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  1. mahmit2012
    • 3 years ago
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    D2-3D-4=0 -> D=-1 , 4 so e-x & e4x are homo solutions. Yp=Axe4x then find a

  2. mahmit2012
    • 3 years ago
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    A

  3. mahmit2012
    • 3 years ago
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    A=10 so y=c1e-x+c2e4x+10xe4x

  4. mahmit2012
    • 3 years ago
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    no c1-5=c !!!

  5. surdawi
    • 3 years ago
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    looks like college math to me

  6. lilMissMindset
    • 3 years ago
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    exactly

  7. lilMissMindset
    • 3 years ago
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    exactly

  8. surdawi
    • 3 years ago
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    what class is that

  9. lilMissMindset
    • 3 years ago
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    diffeerential equation

  10. surdawi
    • 3 years ago
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    took is 2 yrs ago but i will try to help you, where are you stuck?

  11. lilMissMindset
    • 3 years ago
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    in determining the coefficient . i keep on getting zero.

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