i am reading about differencial exact form, and i dont understand why(adsbygoogle = window.adsbygoogle || []).push({});

[tex] d \theta [/tex] is not a exact...

i think that is because [tex] d \theta [/tex] is not a total derivative of some function, since

[tex] d \theta = \frac{1}{x^2+x^2} (-y dx+xdy)[/tex] is not definned globally in x,y = 0,0....

¿is correct?

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# I am reading about differencial exact form, and i dont understand

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