Question

1-2i/1+3i;
2-1/1-i;
1/1+1+1/1-i;
x=2(1+i)-2i;
x=3(2+5i)5-(1+3i);
x=1/4+3i+1/4-3i;

Answer 1

3i/4i
1/1-i=2(1+1=2)
1/1+1=2+1=3/1-i=0.0
x=4(2+2=4)1+i=2(1+1=2)
x=6(3+3=6)2+5i=7.i;5- 1+3i=4.i=1.i
x=1/4=14(1/10. 4/14 ) +3i+1=4i///4-3i=1.i

Succes!!!