I'm just curious of what exactly multiple integrals are for example if you have(adsbygoogle = window.adsbygoogle || []).push({});

[tex]\int^{3}_{1}xdx[/tex]

you get 3-1[i think - it's been a while] but what does the second integral or 3rd and so on do to the function, I've looked ahead in my solutions manual and i think i understand part of it :D but id like to know / understand it a bit better it gave me this(from memory - my book isn't in front of me).

[tex]\int\int(x,y)(x^{2}dx+y^{2}dy) = \int(x^{2})*\int(y^{2})[/tex]

so all you're doing is splitting up x and y into separate integrals? - which doesn't make sense to me but :)

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# Multiple Integrals

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