pdf notes of these video lectures can be down loaded from following link of google drive. https://drive.google.com/drive/folders/10lqe4HMQ29gdLGHLJTaz54oYyvFpt1Gv?usp=drive_link ************************************************************************************** To watch all videos of the playlist "Real Analysis I" visit the following:    • Math 12 Ch # 6   ************************************************************************************ For more educational videos of maths visit our channel null ********************************************************************************* In this playlist we shall teach Unit 6 of second year mathematics. We shall be thankful to all those, who will comment and message. Our channels whatsapp number is +923154414993