Below are different forms of lecture 2, , Pdf and video

powerpoint lecture 4 PDF format

Video lecture 2 => https://drive.google.com/file/d/1tYBYbZHDDM9PbrGwiZksMzma8W62zUfp/view?usp=sharing

Video lecture 2 => https://www.youtube.com/watch?v=w0MebpRztWE&t=3s