(DiffEQ, Fall 23) 23 - Variation of parameters for systems

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From a channel Lumen includes in full: Beard Meets Calculus (Professor Butler) is raw classroom capture of complete college courses in calculus, business calculus and differential equations, with quiz and exam practice sessions.

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A 69-minute video from Beard Meets Calculus's catalogue; the title names its topic.

Video by Beard Meets Calculus, played through YouTube's embedded player.

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