Missunderstanding on integration



I'm looking for help on this integral:

e^{-\int_{t_0}^{t}p(s)ds} \int_{t_0}^{t} g(r) dr = \int_{t_0}^{t} e^{-
\int_{t_0}^{t}p(s)ds} g(r) dr

why is this true? What I am missing?

.


Quantcast