So dx means an infinitesimally small change in x. Why is the slope written [itex]\frac{dy}{dx}[/itex] instead of [itex]\frac{f(x)}{dx}[/itex] since you are only making the x component infinitely small?(adsbygoogle = window.adsbygoogle || []).push({});

When you take the integral you do [itex]∫f(x)dx[/itex] not [itex]∫dy*dx[/itex]

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# Still confused about the dx notation

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