Question

1+2i+3i square /1-2i+3i square .

Answer 1

Step-by-step explanation:

1 + 2i + 3i² / 1 - 2i + 3i²

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

1 + 2i -3 / 1 - 2i -3

-2 + 2i / -2 - 2i

(2 - 2i / 2 + 2i)*(2 - 2i /2 - 2i)

(2 - 2i)² / 4 - 4i²

4 + 4i² - 8i /4+4

4 + 4(-1) - 8i / 8

-8i / 8

= -i