if i want to find the volume of a sphere why can't i switch the limits of integration on [itex]\theta[/itex] and [itex]\phi[/itex](adsbygoogle = window.adsbygoogle || []).push({});

i.e. why does this work

[tex] \int^a_0 \int^{2\pi}_0 \int^{\pi}_0 r^2 \sin(\theta) d\theta d\phi dr [/tex]

but this doesn't

[tex] \int^a_0 \int^{\pi}_0 \int^{2\pi}_0 r^2 \sin(\theta) d\theta d\phi dr [/tex]

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# Spherical integration

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