Question

Calcule o quociente de ( 3 + 2i ) por ( 4 - 3i )

Answer 1

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

(3+ 2i) (4 + 3i)
-------- × ---------
(4 - 3i) (4 + 3i)

12 + 9i + 8i + 6i^2
---------------------- 》 "i^2 vale -1"
16 + 12i - 12i - 9i^2

12 + 17i -6
---------------
16 + 9

6 + 17i
---------
25

6/25 + 17i/25