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Homework Help: How do we calculate the Max value of x?

  1. Sep 5, 2010 #1
    1. The problem statement, all variables and given/known data
    where

    x=(4aV^2tan[tex]\alpha[/tex])/(V^2+2ag+2agtan^2[tex]\alpha[/tex])

    where a, V, g are constant. g is gravitational field strangth.
    what is the greatest value of x as [tex]\alpha[/tex] varies?

    how do i even start?

    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. Sep 5, 2010 #2

    vela

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    How do you usually find the maximum of a function?
     
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