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05-05-2022
Mathematics

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(2 + 3i) + (3 – 4i)

(3 – 5i) – (–2 – i)

(2 − 4i)(1+ 3i)

2i(−1+ 3i)

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Аноним Аноним

05-05-2022

Answer:

See below ~

Step-by-step explanation:

Question 1

(2 + 3i) + (3 - 4i)
5 - i

Question 2

(3 – 5i) – (–2 – i)
3 - 5i + 2 + i
5 - 4i

Question 3

(2 − 4i)(1+ 3i)
2 - 4i + 6i - 12i²
14 + 2i

Question 4

2i(-1 + 3i)
-2i + 6i²
-6 - 2i

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