Ts Eamcet
Straight Lines And Pair Of Straight Lines
TS EAMCET 2020 (Online) 14th September Morning Shift
MCQ+1 / -02020
The acute angle between the pair of straight lines joining the origin to the points of intersection of the line $x+y-1=0$ with the pair of straight lines $k x^2+8 x y-3 y^2+2 x-4 y-1=0$ is