I have x(t)=t(1-t) and y(t)=t(1-t^2). As t goes from 0 to 1 in forms a loop and I need to know the point where the tangent line is vertical. I know this must be easy but I'm clueless right now. Any help?(adsbygoogle = window.adsbygoogle || []).push({});

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# Parametric expression

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