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Math Help - Integration problem

  1. #1
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    Nov 2008
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    Integration problem

    Hello, can anyone help me with this?

    The first step is
    dGt=(4*pi*dxdy/lambda)

    So, dP1=dGt(y power of 2)

    then P1 = 4*pi (integration y power of 2) dxdy
    = 4*pi * x * (y3/3)

    (this is the answer)

    but if my 2nd step is dP1=(dGt)*(dGt)(y power of 4)
    then it will become

    P1= (4*pi/lambda)power of 2 (integration integration y power of 4 dxdy dxdy)

    How am i suppose to settle this, should i use the U. dv integration of I have to part by part..

    Plz help me

    TQ in advance
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  2. #2
    Grand Panjandrum
    Joined
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    Quote Originally Posted by jahashim View Post
    Hello, can anyone help me with this?

    The first step is
    dGt=(4*pi*dxdy/lambda)

    So, dP1=dGt(y power of 2)

    then P1 = 4*pi (integration y power of 2) dxdy
    = 4*pi * x * (y3/3)

    (this is the answer)

    but if my 2nd step is dP1=(dGt)*(dGt)(y power of 4)
    then it will become

    P1= (4*pi/lambda)power of 2 (integration integration y power of 4 dxdy dxdy)

    How am i suppose to settle this, should i use the U. dv integration of I have to part by part..

    Plz help me

    TQ in advance
    Please post the question.

    Also do not tag a new question on to an existing thread, doubly do not tag it onto an unrelated existing thread.

    CB
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