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drastipatel18
23.12.2019 •
Mathematics
Find the missing term!
if y=1+i, then y^3-3y^2+(-3y,-3y+1,3y,3i)-1=-i
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Ответ:
(1 + i)^3 - 3 * (1 + i)^2 + k - 1 = -i
(1 + 3i + 3i^2 + i^3) - 3 * (1 + 2i + i^2) + k - 1 = -i
1 + 3i - 3 - i - 3 - 6i + 3 + k - 1 = -i
1 - 3 - 3 + 3 - 1 + 3i - i - 6i + k = -i
-3 - 4i + k = -i
k = 4i - i + 3
k = 3i + 3
k = 3 * (1 + i)
k = 3y
Ответ:
14/6
Step-by-step explanation: