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Integrate (r^2-x^2)^(1/2)

  1. Jun 18, 2004 #1
    how would you integrate
    (r^2-x^2)^(1/2)
    where r is constant
    thanks peace
     
  2. jcsd
  3. Jun 18, 2004 #2
    i think it's pretty straightforward with trig substitution. try replacing x with cos(u), sin(u) or tan(u) or something like that & the solution should drop out.
     
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