Mathematics
Mathematics, 29.05.2020 23:14, MorgannJ

Write (5x + 4yi)(5 - 41) - (5x - 4yi)(5 - 41) in a + bi form, where y is a real number.
1
- 40yi
2
32y + 40yi
3
32y - 40y
4
--32y + 4071

answer
Answers: 3

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