Homework Statement
r(t)=ti+2tj+(t^2-3)k or r(t)=(t, 2t, t^2-3)
0≤t≤2
Homework Equations
arc length formula ∫[the scalar of dr/dt]
I know I can calculate the arc length through the equation above, but the questions asks for
me to utilize this formula.
∫√(t^2+a^2) dt =...