The Mobius transformation maps the points 1 - 2i, 2 + i, 2 + 3i, respectively into 2 + 2i, 1 + 3i, 4 is
1
\(\rm \omega=\frac{i(1-z)}{1+z}\)
2
\(\rm \omega=\frac{1-z}{1+z}\)
3
\(\rm \omega=\frac{(20+18i)-(32+12i)z}{(29+17i)-(11+3i)z}\)
4
\(\rm \omega=\frac{(20+18i)+(32-12i)z}{(29+17i)-(11+3i)z}\)