Question

The gradient of one of the lines given by  is twice that of the other, then

Solution

Correct option is

 

Let m and 2m be the gradient of the lines given by

   . Then,  

      

  

SIMILAR QUESTIONS

Q1

 

If the equation  represents a pair of perpendicular straight lines, then  

 

Q2

The equation  represents a The Pair of Straight Lines. The distance between them is

Q3

 

Let PQR be a right angled isosceles triangle, right angled at

P(2, 1). If the equation of the line QR is 2x + y = 3, then the equation representing the pair of lines PQ and PR is   

Q4

If the gradient of one of the lines given by  is twice that of the other, then h =  

Q5

The set of values of h for which the equation  represents a pair of real and distinct lines is

Q6

If one of the lines of  is a bisector of angle between the lines xy = 0, then m is

Q7

If one of the lines of the pair  bisects the angle between positive direction of the axes, then ab and h satisfy the relation.

Q8

If the equation  represents two lines inclined at an angle π, then λ =

Q9

If the equation  represents two parallel straight lines, then

Q10

The equation x3 + y3 = 0 represents