I'm trying to find the arc length and I'm able to get this far. But it's been a long time since I've done calculus so I forgot.(adsbygoogle = window.adsbygoogle || []).push({});

1 to 2∫ √(25+100t^2)

I tried to do u = 25+100t^2, du = 200t dt, dt = 1/200 du, but it doesn't look right.

**Physics Forums | Science Articles, Homework Help, Discussion**

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# How do I integrate this: 1 to 2∫ √(25+100t^2)?

**Physics Forums | Science Articles, Homework Help, Discussion**