1.

If ax^(2) + 2 hxy+ by^(2) + 2 g x + 2 fy + c = 0 represents a pair of parallel lines , then sqrt((g^(2) - ac)/(f^(2) - bc)) , is equal to

Answer»

`(a)/(B)`
`SQRT((a)/(b))`
`sqrt((b)/(a))`
`(b)/(a)`

ANSWER :B


Discussion

No Comment Found

Related InterviewSolutions