14. Sharing pdf of chapter 4 Integration (indefinite) part 1 and 2 .
https://drive.google.com/file/d/1Vp4HWSow82Ol6fa_7fGvaXjqao1qrh1x/view?usp=sharing
https://drive.google.com/file/d/1xuDwKPd2l8lH3pBxU9GYUtKFG6PqBUGc/view?usp=sharing
https://drive.google.com/file/d/1Vp4HWSow82Ol6fa_7fGvaXjqao1qrh1x/view?usp=sharing
https://drive.google.com/file/d/1xuDwKPd2l8lH3pBxU9GYUtKFG6PqBUGc/view?usp=sharing