EX5

paper of lecture

https://drive.google.com/file/d/1ieNhJe3KWjfbT__BGQ2it8zt1K-TZ01x/view?usp=sharing

https://drive.google.com/file/d/1IIzcb76Y0LDUAVEHSweGJ8_fRqJjZHS6/view?usp=sharing

https://drive.google.com/file/d/1vuixpb63cTn_Cli6DgXHDzt7FrvhMIsq/view?usp=sharing