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OpenStudy (tim):

Formula for curvature. Please help...

OpenStudy (tim):

I wanna ask something about the formula for curvature. I know that it is dT/ds but how does it become llT'(t)ll/llr'(t)ll and llr'(t)xr'(t)ll'llr'(t)ll^3 ? can you explain how it is derived? ^^Thank you!

OpenStudy (julie):

hey, can you try using the equation editor? it's a tad hard to parse

OpenStudy (julie):

or I'll give it a shot =)

OpenStudy (anonymous):

watch donylee's videos on vector calculus on youtube, he explains these things very thoroughly

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