The position-vectors of point A, B, C and D are \(3\vec i - \vec j, 2 \vec i + 2\vec j, -2\vec i - 3\vec j, 4\vec i + 3\vec j\) respectively such that AB || CD, then what is the ratio of their modulus?
1
\(\sqrt{41}\) : \(\sqrt{17}\)
2
2 : 1
3
\(\sqrt{10}\) : \(\sqrt {72}\)
4
\(\sqrt{10}\) : \(\sqrt{6}\)