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nooo my genderinos (mander.xyz)
submitted 1 month ago by fossilesque@mander.xyz to c/science_memes@mander.xyz
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[-] lvxferre@mander.xyz 15 points 1 month ago

sqrt(-1) = ±i. The negative answer is also valid.

[-] excral@feddit.org 7 points 1 month ago

This is technically incorrect. While the square root is both the positive and the negative solution, the sqrt (√) operator results in the principal square root. For nonnegative numbers this is the nonnegative square root and more generalised for complex numbers it's the square root that halves the complex phase.

[-] rudyharrelson@lemmy.radio 4 points 1 month ago

Ah, good point; I'd forgotten that part.

this post was submitted on 21 Aug 2025
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