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Le 20/01/2025 à 19:33, Jim Burns a écrit :
Yes, we can. :-)((a + ib)(c + id))⃰ =No. You can't.
(ac + i(ad+bc) + i²bd)⃰ =
You don't know what i is butWe know that i is i, i e C and that i² = -1, idiot.
If it is 1 then 1² = 1.Yeah, but since i ISN'T 1 or -1, this is immaterial. Go that, idiot?
If it is -1 then -1² = 1
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