I'm wondering how I can integrate y/(1 + y^2) ... I'm sure there is some trick to doing this but I can't figure it out at the moment.
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I guess it's isn't it? See it this way:
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Originally Posted by PaulRS I guess it's isn't it? See it this way: So, the answer would be 1/2 * ln|1 + y^2| ?? I suppose that works now that I works backwards and derive it. Still, that's a pretty tricky question to ask. =/ Thanks guys!
Yes. -- You can remove the bars 'cause is always positive.
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