Recall how to calculate the arc-length and the curvature of a parametric curve

Any help as to the steps involved greatly appreciated (running low on time before the exam day after tomorrow).

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- Jan 11th 2012, 04:27 PMmaxgunn555A straightforward question (but help needed!)
Recall how to calculate the arc-length and the curvature of a parametric curve

Any help as to the steps involved greatly appreciated (running low on time before the exam day after tomorrow). - Jan 11th 2012, 07:31 PMchisigmaRe: A straightforward question (but help needed!)
If the curvature is expressed in the form , then the arc lenght is ...

(1)

Kind regards

- Jan 12th 2012, 03:26 PMmaxgunn555Re: A straightforward question (but help needed!)
Thanks.

I don't quite follow the 'y = f(x)'. i thought parametric curves looked like eg x = 2t +3, y = t^2 +2 e.t.c... - Jan 12th 2012, 08:35 PMchisigmaRe: A straightforward question (but help needed!)
If the curve is defined in parametric form , then ...

(1)

Kind regards

- Jan 13th 2012, 05:21 AMmaxgunn555Re: A straightforward question (but help needed!)
I'm sure now that's the formula i was looking for. Thanks A lot.