JEE Main2019Math
Q.
If the two lines x + (a – 1) y = 1 and 2x + a2y = 1 (a R – {0, 1}) are perpendicular, then the distance of their point of intersection from the origin is :
- A
- B
- C
- D
Solution
If the two lines x + (a – 1) y = 1 and 2x + a2y = 1 (a R – {0, 1}) are perpendicular, then the distance of their point of intersection from the origin is :