Hi! :)
The question is for r (t) =<t, 4-t2, 0>, find N(t),T(t), and B(t).
First I took the derivative of r (t), and divided it by its length to calculate T(t), which is <1/sqrt(1+4t2),-2t/sqrt(1+4t2,0)>. Then I took the derivative of this using the product rule, and divided it by its...