On the binormal to a given curve, a point Q is taken at a constant distance c from the curve. Prove that curvature k, of the locus of Q is given by k² (1+²2²)² = ²² (1+² 7³²) + (k − c T ¹ + c²k 7² ) ²³

Elementary Geometry for College Students
6th Edition
ISBN:9781285195698
Author:Daniel C. Alexander, Geralyn M. Koeberlein
Publisher:Daniel C. Alexander, Geralyn M. Koeberlein
Chapter7: Locus And Concurrence
Section7.CT: Test
Problem 5CT: Describe the locus of points in space that are at a distance of 3 cm from point P....
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On the binormal to a given curve, a point Q is taken at a constant
distance c from the curve. Prove that curvature k, of the locus of Q is given by
K³²³ (¹ + 2²¹ 2² )³ = 2³² ~²¹ (¹ + 2³² 2² ) + (k_cx¹ + c²³k ²² ) ²
Transcribed Image Text:On the binormal to a given curve, a point Q is taken at a constant distance c from the curve. Prove that curvature k, of the locus of Q is given by K³²³ (¹ + 2²¹ 2² )³ = 2³² ~²¹ (¹ + 2³² 2² ) + (k_cx¹ + c²³k ²² ) ²
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