MathCastle
Multivariable CalculusHardCurves & Motion

Curves & Motion · Hard problem

Find the length of the curve r(t)=(t2, 2t, ln⁡t)\mathbf r(t) = \left(t^{2},\ 2t,\ \ln t\right) for 1≤t≤e1 \le t \le e.