OK OK I know Double Integral is from Multivar Calculus,(adsbygoogle = window.adsbygoogle || []).push({});

I was just wondering what we use it for... I heard is good for volumes, but can't yhou also find volumes by just 1 integral?

And also, aside from integrals in Multivar calc, what else are useful?

I want to get a intro to it, can any one give a lecture or link to a intro page? Thanks.

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# Double Integral

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