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## Homework Statement

Show that [tex]x^3+y^3=9xy[/tex] can be expressed as

[tex]r(t) = \frac{t}{1+t^3} \hat{i} + \frac{t^2}{1+t^3} \hat{j}[/tex]

## The Attempt at a Solution

I only know how to convert parametric/vector equations to Cartesian, not the other way around which is what I'm pretty sure I have to do...thanks

EDIT: Sorry, not sure how to fix up the latex

Fixed the LaTeX for you.

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