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comment by Viliam · 2024-12-17T23:29:46.363Z · LW(p) · GW(p)
Uhm...
√-8/4 = √(8∙-1) = √16 ÷ √-1 = (4i)
√-16 = √(16×-1)= √16 ÷ √-1 = (4i)
(2+3i)² = (2+3i)(2+3i) = '6i + 4 + -9' = (12i - 5)
(2+3i)² = (2+3i)(2+3i) = 2×6i + 4 + -9 = (12i - 5)
Replies from: interstice↑ comment by interstice · 2024-12-18T00:17:03.893Z · LW(p) · GW(p)
Also
√1 = 2
√1 = ±1
Replies from: rachel-farley↑ comment by Recurrented (rachel-farley) · 2024-12-18T01:39:57.978Z · LW(p) · GW(p)
ah yeah
Replies from: interstice↑ comment by interstice · 2024-12-18T03:31:06.980Z · LW(p) · GW(p)
Liked the post btw!