Integration by (u-)substitution
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30:31
Intuition for integration techniques
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31:20
Integration by parts
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25:48
How to Integrate Using U-Substitution (NancyPi)
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27:57
Arithmetic and operations
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29:40
The (continuous) derivative
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20:37
Integrate x^-x dx
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16:59
integration by parts, DI method, VERY EASY
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32:12