Пошаговое объяснение:
(4+2i) + (1-3i) = 5-i
(4+2i) - (1-3i) = 3+5i
(4+2i) * (1-3i) = 4-10i-6i^2=10-10i
(4+2i) / (1-3i) = ((4+2i) * (1+3i)) / (1+9) = (14i-2) / 10 = (7i-1) / 5
Пошаговое объяснение:
(4+2i) + (1-3i) = 5-i
(4+2i) - (1-3i) = 3+5i
(4+2i) * (1-3i) = 4-10i-6i^2=10-10i
(4+2i) / (1-3i) = ((4+2i) * (1+3i)) / (1+9) = (14i-2) / 10 = (7i-1) / 5