Fool's problem of the day,

If $ 4x^2+12xy+by^2+6x+2fy-4=0 $ represents a pair of parallel lines, can you find the distance between them?

Genre: Standard analytic geometry problem
Rating: Easy (If you know how to do it)

Question

Fool's problem of the day,

If $ 4x^2+12xy+by^2+6x+2fy-4=0 $ represents a pair of parallel lines, can you find the distance between them? 

Genre: Standard analytic geometry problem
Rating: Easy (If you know how to do it)

asnaseer · Answer

$\frac{5}{3}$

anonymous · Answer

not you asnaseer, not you ... http://nooooooooooooooo.com/

mr.math · Answer

@Fool: Everything is easy when you know how to do it :P

anonymous · Answer

Mr.Math but this problem is really easy... like way eaassyy, but you need the right approach.

anonymous · Answer

I think so.