Find the equation of osculating circles
y=1/2 x^2 at the point (1,1/2)
\[y=\frac{ 1 }{ 2 }x^2\]
@ganeshie8 can u help
never heard of it before sorry :( @AccessDenied
also never heard of this, although i'll give it a look on-line >> http://en.wikipedia.org/wiki/Osculating_circle
ahh looks u need to find radius and center of curvature at given point
i dont remember doing these before, u doing vector calc right ?
yes, Calc 3
radius k=\[\frac{ 1 }{ (1+x^2)^{3/2}} at (1,.5) =2\sqrt{2}\]
no idea how to find center
According to http://en.wikipedia.org/wiki/Center_of_curvature the center is "at a distance from the curve equal to the radius of curvature, lying on the normal vector"
drawing is helpful |dw:1395517739231:dw| T= tangent, N= normal
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