Why I don't teach LIATE (integration by parts trick)
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8:19
My First Stanford Math Tournament Problem
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16:59
integration by parts, DI method, VERY EASY
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17:03
if your calculus teacher still doesn't believe the DI method...
![](https://i.ytimg.com/vi/dgm4-3-Iv3s/mqdefault.jpg)
5:50:23
100 integrals (world record?)
![](https://i.ytimg.com/vi/E61uz0Yn8dM/mqdefault.jpg)
46:21
MIT integration bee qualifier test
![](https://i.ytimg.com/vi/_xOUBPMPIQc/mqdefault.jpg)
14:18
L'enfer des oraux de Polytechnique (X 1988)
![](https://i.ytimg.com/vi/WQIEOBjTQ1o/mqdefault.jpg)
18:25
L'épreuve de mathématique la plus terrifiante (ENS 1966)
![](https://i.ytimg.com/vi/V8uZYdd4Jnk/mqdefault.jpg)
5:23