Submitted by Tharsis101 t3_10nn59i in explainlikeimfive
sirtimes t1_j6bxu2f wrote
Reply to comment by squigs in ELI5: Why do imaginary numbers even need to exist? by Tharsis101
This is probably the best explanation - it definitely helps to be visualizing the number line for this. I really enjoy the 3blue1brown YouTube series on this concept
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