## Question

### Solution

Correct option is

θ

Let α  be the angle between the lines represented by the given equation. Then,  #### SIMILAR QUESTIONS

Q1

If the pair of lines ax2 + 2hxy + by2 = 0 and ax2 + 2hxy + by2 = 0 have one line in common, then (ab’ – ab)2 =

Q2

If one of the lines given by ax2 + 2hxy + by2 = 0 may be perpendicular to one of the lines given by ax2 + 2hxy + by2 = 0, then (aa’ – bb’)2 =

Q3

If the slope of one of the lines represented by ax2 + 2hxy + by2 = 0 be the square of the other, then Q4

The combined equation of the images of the pair of lines given by ax2 + 2hxy + by2 = 0 in the line mirror y = 0, is

Q5

The difference of the tangents of the angles which the lines make with X-axis, is

Q6

The product of perpendiculars let fall from the point (x1y1) upon the lines represented by ax2 + 2hxy + by2, is

Q7

The angle between the The Pair of Straight Lines Q8

The pair of lines represented by 3ax2 + 5xy + (a2 – 2)y2 = 0 are perpendicular to each other for

Q9

The angle between the pair of lines represented by 2x2 – 7xy + 3y2 = 0, is

Q10

If the angle θ is acute, then the acute angle between 