Reparmetrization of a curve, got it, but I don't nkow what this answer means

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Hello everyone, i was suppose to reparametrize the equation, which I did, and then conclude what i can say about the curve, this is the part where I'm not sure about. ANy suggestions? Thanks.
Here is my work and problem:
http://show.imagehosting.us/show/764292/0/nouser_764/T0_-1_764292.jpg
or if that link is slow try here:
http://img208.imageshack.us/img208/4946/rep9ik.jpg
 
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None of your links work.
 

Thread 'Finding the nth roots of a complex number'

There are two things I don't understand about this problem. First, when finding the nth root of a number, there should in theory be n solutions. However, the formula produces n+1 roots. Here is how. The first root is simply ##\left(r\right)^{\left(\frac{1}{n}\right)}##. Then you multiply this first root by n additional expressions given by the formula, as you go through k=0,1,...n-1. So you end up with n+1 roots, which cannot be correct. Let me illustrate what I mean. For this...
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