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Solve the Indefinite Integral with Complex variable.
Calculus--Indefinite Integrals (05-25, total: 288) Presented By Guo Cheng Guang (aged 11) and Guo Chengxi (aged 8) in English. Lessons In Mathematics and Science (Physics, Chemistry and Biology) From Primary to University Presented By Guo Cheng Guang and Guo Chengxi In English. Your comment or suggestion is very much appreciated. https://www.youtube.com/channel/UC2dG5T9SJkUFTy-h0KbVbkw
https://youtu.be/8tLMnAdxb4U

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Calculus--Indefinite Integrals (05-19, total: 282) Presented By Guo Cheng Guang (aged 11) and Guo Chengxi (aged 8) in English.
Lessons In Mathematics and Science (Physics, Chemistry and Biology) From Primary to University Presented By Guo Cheng Guang and Guo Chengxi In English. Your comment or suggestion is very much appreciated.
https://www.youtube.com/channel/UC2dG5T9SJkUFTy-h0KbVbkw
https://www.youtube.com/watch?v=uD6kk1gqxbQ

There was an update released (Beta 0.1.4) that will be available in the next hour or two.  The changes includes an update to the Precalculus Section (the graphs to be exact) along with an update to the Integration section.

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