I need help with the following question:(adsbygoogle = window.adsbygoogle || []).push({});

for the absolute value function y = |x-1| in R2

a) A parametrization of the curve

b) a four times differentiable parametrization of this curve

c) is there a regular parametrization

Can I parametrize this curve by setting x = t^2 --> y = |t^2 -1|?

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# Differential geometry : paramterization of an absolute value function

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