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Consider the following vector function. r(t) = <9t,1/2(t)2,t2> (a) Find the unit tangent and unit normal...

Consider the following vector function.

r(t) = <9t,1/2(t)2,t2>


(a) Find the unit tangent and unit normal vectors T(t) and N(t).



(b) Use this formula to find the curvature.
κ(t) =

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