MathematicsMedium128×since 2002Q5503If the two lines x + (a – 1) y = 1 and 2x + a²y = 1 (a∈\in∈R – {0, 1}) are perpendicular, then the distance of their point of intersection from the origin is :A25{2 \over \sqrt5}52B25{\sqrt2 \over 5}52C25{2 \over 5}52D25\sqrt{2 \over 5}52Check answerSkip