Sphere is a surface. (Reloaded) Lec_27 Diff. Geometry

*There were a mistake in previous lecture number 27. If you have watched and downloaded that one please download this one. To see what our channel offers visit: www.youtube.com/c/mathlogicpk The book we are follwoing is Elementary Differential Geometry by Andrew Pressley (2nd Edition) https://b-ok.asia/book/444596/05eb84 In this lecture series lectures recorded for differential geometry course taught at University of Eduction Lahore campus by Dr. Naveed Akhter will be uploaded. Suggestions are welcomed at whatsapp number (092)03154414993.