Question

Find the radius of curvature for the care
x = a (x² + y2) at (-2a, 2a)​

Answer 1

Answer:

Answer

x=sin3t y=cos2t at t=4π

dtdy=−2sin2t

dtdx=3cos3t

dtdxdtdy=3cos3t−2sin2t

[dxdy]t=4π=3cos3×4π−2sin2⋅4π=3cos43π−2sin2π=322

x=sin3t=sin43π=