psi20 Posted April 19, 2006 Share Posted April 19, 2006 Hey. I can't understand why this is weird. I'm not familiar with the math notation so I'll explain it in words, it's not hard to explain. Take the derivative of ln(5 x^4). You get 4/x If you take the integral of 4/x, you get 4 ln |x| + C or ln (x^4) + C. But this is different than what the original function was, and that's what's confusing me. Link to comment Share on other sites More sharing options...
timo Posted April 19, 2006 Share Posted April 19, 2006 ln(5 x^4) = ln(5) + ln(x^4) Therefore if C=ln(5) you have your old func back. Link to comment Share on other sites More sharing options...
psi20 Posted April 19, 2006 Author Share Posted April 19, 2006 Ah thanks. Link to comment Share on other sites More sharing options...
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