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Physics
 Quote by demonelite123 now i can integrate both sides and i get $t_1 - t_0 = \int_{r_1}^{r_0} \frac{r}{r - 2M}dr = (r_0 - r_1) + 2Mln(r_0 - 2M) - 2Mln(r_1 - 2M)$. would this be correct? thanks for you replies.