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--- math121a-f23:september_15_friday [2023/09/10 17:40]
pzhou
+++ math121a-f23:september_15_friday [2023/09/15 21:37] (current)
pzhou
@@ Line 4: / Line 4: @@
 .  $\int_\R 1/(1+x^2) dx$
+----
+didn't finish, the rest will wait till next week.
 .  $\int_0^\infty 1/(1+x^3) dx$

Lecture Notes