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sallowswine
searching PlanetScale…
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by
sallowswine
14y ago
"For example, consider integrals over all space in polar coordinates: \[ \int_0^{2\pi}\int_0^\infty f(r, \theta) r dr d\theta \] The upper limit of the $\theta$ integration is always 2$\pi$." This statement is false. If $r = r(\theta)$, the