Why is it that when you are doing a partial derivative it is expressed something like this. ∂f/∂x=2xy, where f(x,y)=x(adsbygoogle = window.adsbygoogle || []).push({}); ^{2}y but when doing double or triple integrals you see this ∫∫f(x,y)dxdy.

Why is partial notation not used in both?

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# Derivative and Integral notation

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