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Differential equation help

  1. Mar 11, 2013 #1
    lDZWNcY.png

    Prove that this equation satifies the Euler-bernoulli beam equation which is given by

    ZiouG5S.png

    GRj7y88.png

    Cany anyone help me with this. Can wolfram alpha do it? It has so many values and I'm not comfartble with doing 4th derivitives
    1. The problem statement, all variables and given/known data



    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. Mar 11, 2013 #2
    You don't have to do all the derivatives. If you have some term like ax^n, where a is a constant, what is the min value of n so that the 4-th derivative is not zero? What is its value in the min case?
     
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