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KahToh
@KahToh
May 2020
1
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Equação de números complexo!
Se y = 2x, sendo x =
1+ i
e i =
, o valor de (x+y)
é:
1 -
i
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Tiririca
Lembrando que i² = -1
y = 2(1+i) / (1-i)
(x + y)² = (1+i + 2 + 2i)² / (1-i)²
= (9 + 9i² +18i)/(1 + i² - 2i)
= 18i / -2i = -9 (resp)
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y = 2(1+i) / (1-i)
(x + y)² = (1+i + 2 + 2i)² / (1-i)²
= (9 + 9i² +18i)/(1 + i² - 2i)
= 18i / -2i = -9 (resp)