Relation between integrals

mercredi 2 juillet 2014

Is there a formal relation that links

[itex]\int yxdx[/itex] OR [itex]\int_{a}^{b}yxdx[/itex]

with

[itex]\int xydy[/itex] OR [itex]\int_{a}^{b}xydy[/itex]

where [itex]y=f(x)[/itex] over the interval [itex]x\in\left[a,b\right][/itex].





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