Question

3.(1-i) + (2+i) . (2-i) me ajuda

Answer 1

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

3 - 3i + 4 - 2i + 2i - i²

3 + 4 - 3i - 2i + 2i - i²

+ 7 - 3i - i²