I am stumped on what to substitute here.
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Originally Posted by Em Yeu Anh I am stumped on what to substitute here. EDIT: uh sorry.
Originally Posted by Em Yeu Anh I am stumped on what to substitute here. Try .
Try to sub. the integral goes to and so on
Originally Posted by simplependulum Try to sub. the integral goes to and so on Thanks! that's an interesting way to solve it! would never have thought of that myself. Only one question, should that instead be or am I wrong?
Last edited by Em Yeu Anh; Jan 25th 2010 at 09:12 PM.
Originally Posted by Em Yeu Anh Thanks! that's an interesting way to solve it! would never have thought of that myself. Only one question, should that instead be or am I wrong? Be careful of the denominator which is
Originally Posted by simplependulum Be careful of the denominator which is Is that not the same as what I just put?
Originally Posted by Em Yeu Anh Is that not the same as what I just put? No. As an counter-example, put in both of them, and you will see that they are not equal to each other. In general: .
My eyes completely missed that negative sign, sorry.
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