Question

Poderiam me ajudar pfvvvvv

Answer 1

Resposta:

a) (2-3i)+(4-i)-(5-2i)

(2-6)+(4-1)-(5-2)

(-4)+(3)-(3)

-4+3-3= -4.

B) (1+4i).(2-5i)

(1+24).(2-120)

25.(-118)= -2950.

c) (7+2i):(3+2i)

(7+2):(3+2)

9/5.