Ct3

Discussion in 'CT3' started by santhoshchandrasekhar, Feb 20, 2007.

  1. Dear,
    If any body can Integrate this


    Integral 0 to x

    2 Px expo-Px^2 dx

    P is a Positive constant

    Regds,
    Santhosh Chandrasekhar
     
  2. ochiltree

    ochiltree Member

    Hint - Integration by parts

    Hi Santhosh,

    I think that you'll need to use Integration by parts. I've ran through it very quickly and got an answer of,

    (-1/2p)*{exp(-p*(x^2))}*(x+1)+(1/((2p)^2)

    I'll stress that I ran through it really quick so could quite easily have made an algebraic error. However, if you use Integration by parts on the original problem you should be just fine.
     
  3. examstudent

    examstudent Member

    i know notation seems difficult to comprehend given this is a text screen and not an equation editor.

    but to me it seems like this is one of thsoe you can do buy insprection i.e make sunstiution (-Px^2) to get -exp (-Px^2) + c
    maybe you can clarify notation.
     
  4. Muppet

    Muppet Member

    agree with exam student.

    and if you want the integral between 0 and x (and since exp(0)=1) then you get 1-exp(-px^2)
     

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