I guess the following identity isn't right. Can anyone tell me what the LHS is really equal to?(adsbygoogle = window.adsbygoogle || []).push({});

[tex]\frac{\partial}{\partial x}\int_{-\infty}^\infty\int_0^x f(s,t) dsdt = \int_{-\infty}^\infty f(x,t)dt[/tex]

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# Order of differentiation and integration

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