Question

1. Efetue:
a) (3 + 2i) + (2 - 5i)
b) (5 - 2i) - (2 + 8i)
c) (1 + i) + (1 - i) -2i
d) (6 +7i) - (4 + 2i) + (1 - 10i)
e) (2-3i)(1 + 5i)
f) (1 + 2i)(2+i)
g) (4-3i)(5 - i)(1 + i)
h) (7 +21)(7--21)
i) (3 + 21)
j) (1 + i)3​

Answer 1

Resposta:

a. (6-3i) is your answer. and please varify