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math121a-f23:september_15_friday [2023/09/11 00:40] pzhou |
math121a-f23:september_15_friday [2026/02/21 14:41] (current) |
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| 1. $\int_\R 1/(1+x^2) dx$ | 1. $\int_\R 1/(1+x^2) dx$ | ||
| + | ---- | ||
| + | didn't finish, the rest will wait till next week. | ||
| 2. $\int_0^\infty 1/(1+x^3) dx$ | 2. $\int_0^\infty 1/(1+x^3) dx$ | ||