Question

Efetue as operações indicadas:
a) (6 + 7i)(1 + i)
b) (5 + 4i)(1 − i)1(2 − i)i
c) (1 + 2i) 2 − (3 + 4i)​

Answer 1

Resposta:

a) (6+7i)(1+i) = -1+13i

b) (5+4i)(1-i) 1(2-i) =17-11i

c) (1+2i)×2-(3+4i) = -1