Find the x-coordinates of all points on the curve y = (-x^2 + 4x - 3)^3 with a horizontal tangent line. (Thanks!)
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Originally Posted by Affinity Find the x-coordinates of all points on the curve y = (-x^2 + 4x - 3)^3 with a horizontal tangent line. (Thanks!) That is where, Thus, using the chain rule, Thus, thus, thus,
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