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Math Help - Calculus of Variations

  1. #1
    stealthyeyes
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    Calculus of Variations

    I have this question which I need some help please, any help will be much appreciated, thanks.
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  2. #2
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    Let F(x,y,y') = \frac{1}{\lambda} \frac{(1+(y')^2)^{1/2}}{y}.
    Now substitute that into the Euler-Lagrange equations.
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