Question

Calcule
A) (2+5i)+(3+4i)
B) i+(2-5i)
C) (2+5i) - (3+4i)
D) (1+i)-(1-i)
E) (2+3i).(3-2i)
F) (1+3i).(1+i)

Answer 1

A
5 + 9i

B
4i + 2

C
- 1 + i

D
2i

E
12 + 5i

F
-2 + 4i