Letr(t)=(4t2+1)i+2tjfor−2≤t≤2.
(a) (10 pts) Draw a sketch of the curve C determined by r(t).
(b) (5 pts) Plot r(0) and label its endpoint P.
(c) (10 pts) Plot the vector tangent to C at P .
(d) (10 pts) Find the equation of the line tangent to C at P (you may give this parametrically
or not).
(e) (5 pts) Find the curvature K at P .
(f) (5 pts) Find the radius of curvature ρ at P.
(g) (5 pts) Sketch the circle of curvature (the circle of best fit) at P.
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