Need help, impossible differential equation

Juseb3
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in attachment you can see the equation
 

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I'm sorry, I know that if Ed has a solution, but I really need help.
 
It is a first order linear differential equation, but the coefficients are not constant.

It's solution isn't trivital; for me.

I am student of undergraduate of civil engineering.

The Ed is of a problem of a tapered beam
 
Juseb3 said:
It is a first order linear differential equation, but the coefficients are not constant.

It's solution isn't trivital; for me.

I am student of undergraduate of civil engineering.

The Ed is of a problem of a tapered beam

Actually, it's a second-order one.
 
It is easier to see how to proceed if you write the constants on a simpler form.
 

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  • Bessel ODE.JPG
    Bessel ODE.JPG
    16.9 KB · Views: 1,092
JJacquelin thank you very much for your help!
 
For solving (X^n)*U''-B*U=0 :
 

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  • Bessel.JPG
    Bessel.JPG
    5.1 KB · Views: 471

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