The line parallel to the $x$ - axis and passing through the intersection of the lines $ax + 2by + 3b = 0$ and $bx - 2ay - 3a = 0,$ where $(a, b)$ $ \ne $ $(0, 0)$ is :
below the $x$ - axis at a distance of ${3 \over 2}$ from it
below the $x$ - axis at a distance of ${2 \over 3}$ from it
above the $x$ - axis at a distance of ${3 \over 2}$ from it
above the $x$ - axis at a distance of ${2 \over 3}$ from it
