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bratkaban
@bratkaban
July 2022
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помогите решить
3(3-2i)+(5+3i)
(2-i)^2
(1+2i)^3
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ewgenijbark
Verified answer
3(3-2i)+(5+3i) = 9 - 6i + 5 + 3i = 14 - 3i
(2 - i)² = 4 - 4i + i² = 4 - 4i - 1 = 3 - 4i
(1 + 2i)³ = 1³ + 6i + 6i² + 8i³ = 1 + 6i - 6 + 8i * i² = -5 + 6i - 8i = -5 - 2i
1 votes
Thanks 1
bratkaban
спасибо! помоги 1 уравнение еще)
bratkaban
я создал, не знаю как с приложения копировать ссылку
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Answers & Comments
Verified answer
3(3-2i)+(5+3i) = 9 - 6i + 5 + 3i = 14 - 3i(2 - i)² = 4 - 4i + i² = 4 - 4i - 1 = 3 - 4i
(1 + 2i)³ = 1³ + 6i + 6i² + 8i³ = 1 + 6i - 6 + 8i * i² = -5 + 6i - 8i = -5 - 2i