How to Simplify Complex Numbers: ((2 + i)(4 - 2i))/(1 + i)
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From a channel a BrighterTube curator vetted · found via BookPractice list channel (Josh), extended under the whole-channel rule · 80% confidenceFrom a channel Lumen includes in full: The Glaser Tutoring Company is two brothers' tutoring channel of worked problems in chemistry, physics and math, mostly textbook exercises solved step by step.
A 12-minute video from The Glaser Tutoring Company's catalogue; the title names its topic.
Video by The Glaser Tutoring Company, played through YouTube's embedded player.