Playback speed×Share postShare post at current timeShare from 0:000:00/0:00TranscriptCalculus Lecture 19: The First and Second Derivative Tests 1/2Differential CalculusSung LeeJul 08, 2025ShareTranscriptLecture slides are available here. Lecture note is available here. Discussion about this videoCommentsRestacksSung’s SubstackSubscribeAuthorsSung LeeRecent PostsGroup Theory 6: Lagrange's Theorem 4/4Aug 24 • Sung LeeGroup Theory 6: Lagrange's Theorem 3/4Aug 24 • Sung LeeGroup Theory 6: Lagrange's Theorem 2/4Aug 24 • Sung LeeGroup Theory 6: Lagrange's Theorem 1/4Aug 24 • Sung LeeGroup Theory 5: SubgroupsAug 20 • Sung LeeGroup Theory 4: Examples of Groups 2/2Aug 20 • Sung LeeGroup Theory 4: Examples of Groups 1/2Aug 20 • Sung LeeNumber Theory 4 : Linear Combinations 3/3Aug 13 • Sung Lee
