Question

Solution

Correct option is

The equation  will represent a pair of straight lines, if

Let θ be the angle between the linears. Then,

SIMILAR QUESTIONS

Q1

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

Q2

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

Q3

If the equation  represents two parallel straight lines, then

Q4

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

Q5

The equation x3 + y3 = 0 represents

Q6

One bisector of the angle between the lines given by

. The equation of the other bisector is

Q7

The equation  represents two mutually perpendicular lines if

Q8

The product of the perpendiculars drawn from the point (1, 2) to be the pair of lines x2 + 4xy + y2 = 0 is

Q9

The three lines whose combined equation is y3 – 4x2y = 0 form a triangle which is

Q10

If two of the straight lines represented by   are at right angles, then,