y=1/3 x^3
for-2 ≤ ≤ 2.
(b) Find the curvature function of this curve following the approach of x = |dT/ds = T' (t)/r' (t).
(c) Find the length of this parabola for -1 ≤ ≤ 1. Set up an integral for the length and evaluate the integral by R using integrate (). Hint: Let a = t
and y=t³.
Fig: 1