Straight LineHard
Question
Combined equation of pair of image lines of the pair of straight lines y2 - 2xy - 4y + 8x = 0, on x-axis, is-
Options
A.y2 + 2xy + 4y - 8x = 0
B.y2 + 2xy - 4y - 8x = 0
C.y2 - 2xy + 4y - 8x = 0
D.y2 + 2xy + 4y + 8x = 0
Solution
Equation of pair of image is (Replace y by - y)
y2 + 2xy + 4y + 8x = 0
y2 + 2xy + 4y + 8x = 0
Create a free account to view solution
View Solution FreeMore Straight Line Questions
A line is perpendicular to 3x + y = 3 and passes through a point (2, 2). Its y intercept is -...The equation of a line passing through the origin and the point (a cosθ, a sin θ) is -...Given the four lines with the equations x + 2 y - 3 = 0, 3x + 4 y - 7 = 0 2x + 3y - 4 = 0, 4x + 5y -6 = 0 then...Let L1 be a straight line passin through the origin and L2 be the straight line x + y = 1. If the ntercepts made by the ...Let α be the distance between the lines −x + y = 2 and x − y = 2, and β be the distance between th...