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amaresh92
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Homework Statement
how to find the radius of curvature for following curve-:
x^2y=a(x^2+y^2) at the point (-2a,2a)
Homework Equations
radius of curvature= {(1+y1)^3/2}/y2
where y1 and y2 are the first and second order derivatives
The Attempt at a Solution
to find the derivative at -2a,2a it is coming infinity , so how to find the radius of curvature>