The length of the curve
- Find dx/dt and dy/dt: dx/dt=6t & dy/dt=6t
- Square both: and , respectively.
- Factor out 6t:
- u Substitution: and integral limits become 1 and 2
That's not a particularly difficult problem, but it is the first one I've written in LaTeX, which was difficult. I thank the Hamline University Physics Department Latex Equation Editor, although it wouldn't load its renderings properly.