The parametric equations of a curve are If is the radius of curvature and (h, k)

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The parametric equations of a curve are

x = at, y = 2at

If ρ is the radius of curvature and (h, k) is its centre of curvature, prove that

dy dx (c) h = a(2+ 3t), k = -2at (a) 1 2at COMAN (b) p = 2a(1 + )3/2

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