How do I integrate √(1+4t²)?

[jimbo71]

Homework Statement

sqrt(1+4t^2)

Homework Equations

The Attempt at a Solution

I'm not sure if this even can be simplified. If it can't be how would I integrate it?

 

[quantumdude]

Why would you want to simplify it? It's already perfectly set up for trig substitution.

 

[tiny-tim]

Hi jimbo71!

Hint: whenever you see a constant ± a square, it usually helps to try a trig substitution.