- #1
Lapidus
- 344
- 11
Here http://www.damtp.cam.ac.uk/user/db275/Cosmology/Lectures.pdf, I find on page 31 in (2.1.5)
I assume that it is childish calculus that connects both sides of this equation. But still, can someone help me why the integral can be rewritten like that?
thanks!
I assume that it is childish calculus that connects both sides of this equation. But still, can someone help me why the integral can be rewritten like that?
thanks!