Задача 56901 ...

5f3ead43faf909182968ddf9

13.01.2021 10:32:21

1) (7 - 3i)(2 + 6i) - (7 + 18i)

2) 2i(8 - 5i) + (29 - 34i)

3) -6(4 - 6i) + (2 - 4i)^2

4) (7 - 2i)^2 - 2(3 - 5i)

5) (1 - 2i)(2 + i)
------------
3 - 2i

6) z₁ = 10 + i
z₂ = 5 - 2i