Pair Of Straight Lines Question 19
Question: The equation $ x^{2}-7xy+12y^{2}=0 $ represents
[BIT Ranchi 1991]
Options:
A) Circle
B) Pair of parallel straight lines
C) Pair of perpendicular straight lines
D) Pair of non-perpendicular intersecting straight lines
Show Answer
Answer:
Correct Answer: D
Solution:
$ x^{2}-7xy+12y^{2}=0\Rightarrow (x-3y)(x-4y)=0 $ Hence, the lines are non-perpendicular intersecting.