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Old 2019-02-08, 02:23   #170
jvang's Avatar
Nov 2015
Middle of Nowhere,AR

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There was a problem we were working on today, in which we're still doing inverse derivative stuff. I'm trying to figure out the inverse of this, so that I can find the derivative of the inverse: \(y = x^3-2x^2+5x\) or something very similar. You just swap the variables and solve for y, right?\[x = y^3 - 2y^2 +5y\]But where do you go from here? I can't figure out how to isolate the y, since any sort of division leaves an extra y in a denominator
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