Still one of my favorite tricks of all time..pic.twitter.com/n7ZnCIv39z
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Hmmm... i was mostly able to follow but I’ve only made it to third semester calc so far (multivariable), so I’m confused: -why are you using phi instead of theta? I thought it was general only used with cylindrical coordinates? -ummm what happened to the second integral
Φ is just Physics convention.. it’s the same thing.. just polar angle. And since the integrand only depended on r, the integral of dφ is just φ=2π minus φ= 0.. so it’s just 2π :D
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Lol I just realized totally got my coordinates confused... winter break melted my brain apparently. Thanks for the problem explanation, though, I appreciate it. It makes much more sense now!
Thanks. Twitter will use this to make your timeline better. UndoUndo
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