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twos222
searching PlanetScale…
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by
twos222
4y ago
If f is a function and x is a variable then dx means that you should express f with respect to an input x, so if A is the area of a a circle then what is dA? since A = pi r^2 you have that dA = 2pi r dr since A = pi (l/(2 pi))^2 wher