- #1
chetzread
- 801
- 1
Homework Statement
can someone explain how to turn the formula of curvature T'(t) / r'(t) into | r'(t) x r"(t) | / | (r't)^3 | ?
Homework Equations
The Attempt at a Solution
my working is in 317.jpgT'(t) / r'(t) <blockquote class="imgur-embed-pub" lang="en" data-id="a/q3t1U"><a href="//imgur.com/q3t1U"></a></blockquote><script async src="//s.imgur.com/min/embed.js" charset="utf-8"></script>
[PLAIN]http://imgur.com/a/q3t1U[/B]
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