So i realize that the integral of [f(x)dx] is pretty much the height of the rectangle f(x), multiplied by the width dx. But that is the area of 1 infinitesimally skinny rectangle. How does the integral sign add up an infinite amount of rectangles? I've taken cal 2 so if you could show what the integral does in terms of sigma that would be nice. Thanks!(adsbygoogle = window.adsbygoogle || []).push({});

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# Integral in terms of summation?

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