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Well, I must express this trajectory: [tex]\vec{r}=(t^2,2t,t^2)[/tex] as an intersection of two surfaces. I really don't know how to work this. It seems to be some kind of parabola, but I'd really like to see some step by step for solving this.

Bye, and thanks off course.

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# Homework Help: Trajectory as a sufrace intersection

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