Sequences & Series, Lec_07-6.2, Arithmetic Progression Math 11 Unit 6, Question # 11, 12, 13 & 14

Whole-channel inclusion: MathLogic is an honest teaching channel (title sample + 3 transcripts read: The one sample with a transcript is a structured math lecture deriving moment of inertia formulas, consistent with the channel's teaching verdict.); this title passed a strict title check (sonnet) after a labelling pass.

A 21-minute video from MathLogic: “Sequences & Series, Lec_07-6.2, Arithmetic Progression Math 11 Unit 6, Question # 11, 12, 13 & 14”.

Video by MathLogic, played through YouTube's embedded player.