Question

Efetue as divisoes :1+3i/1+i

Answer 1

(1+3i) . (1-i) / (1+i) . (1-i)

1-i+3i-3i² / 1-i²

i²=-1

1-i+3i-3. (-1) / 1 - (-1)

1-i+3i+3/ 1+1

4+2i / 2

2. (2=i) /2

2+i