Find the principal unit normal vector N for the curve r(t)=(t^2 +4)j + (2t-1)k

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter9: Systems Of Equations And Inequalities
Section: Chapter Questions
Problem 40RE
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Find the principal unit normal vector N for the curve r(t)=(t^2 +4)j + (2t-1)k

 

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