Straight LineHard
Question
If the pair of straight lines x2 - 2pxy - y2 = 0 and x2 - 2qxy - y2 = 0 be such that each pair bisects the angle between the other pair, then
Options
A.p = q
B.p = - q
C.pq = 1
D.pq = - 1
More Straight Line Questions
If the line passing through the points (4, 3) and (2, λ) is perpendicular to the line y = 2x + 3, then λ is eq...Let 0 < α < be a fixed angle. If P = (cos θ, sin θ) and Q = {cos(α - θ), sin (α - &#...If sides of a triangle are y = mx + a, y = nx + b and x = 0, then its area is -...A variable line passes through a fixed point (a, b) and meets the co-ordinates axes in A and B. The locus of the point o...The line bx + ay = 3ab cuts the coordinate axes at A and B, then centroid of ᐃOAB is -...