Ap Eapcet
Straight Lines And Pair Of Straight Lines
AP EAPCET 2021 - 20th August Morning Shift
MCQ+1 / -02021
If the lines, joining the origin to the points of intersection of the curve \(2 x^2-2 x y+3 y^2+2 x-y-1=0\) and the line \(x+2 y=k\), are at right angles, then \(k^2\) equals