

|z-i|=|z+i| |z+i|=|z+1| 1<=|z-3|<=3 3+6i -5-1i 5+8i -5+3i 5+1i -1i 1+3^(1/2)i 3+3^(1/2)i 7+3^(1/2)i 3^(1/2)+3^(1/2)i 2^(1/2)+2^(1/2)i 5^(1/2)+5^(1/2)i |z|<=2 |z+2|>=4 |z+3i|<=2 |z+3-2i|<=4 |z-i|=|z+2| |z-2|+|z+2|=5 2<=|z-2+3i|<=4 2<=Re(z)<=4 2<=Im(z)<=4 |Imz|>1 |Rez|>1