I have been trying to figure out if this problem could be simplified more.

Thanks

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- Oct 11th 2010, 09:40 AMalexgoSimplification
I have been trying to figure out if this problem could be simplified more.

Thanks - Oct 11th 2010, 09:54 AMJhevon
- Oct 11th 2010, 09:55 AMalexgo
- Oct 11th 2010, 09:58 AMJhevon
- Oct 11th 2010, 10:04 AMalexgo
- Oct 11th 2010, 10:11 AMJhevon
oh! you mean the unit tangent vector? i suppose you were trying to simplify |r'(t)|

in that case, you're way off. your |r'(t)| is incorrect. for the correct one, it is 1.

Hint: you made a sign error. there is a minus (at least one) that should be a plus in what you did. - Oct 11th 2010, 10:34 AMalexgo
- Oct 11th 2010, 11:08 AMJhevon