let the equation have equal roots. Then the distance of the point from the line is
- (A)15✓ Correct
- (B)
- (C)
- (D)12
Answer: (A)
Solution
Writing , the equation is . For equal roots the discriminant vanishes: , so or ; is not quadratic, hence and . The point is , and its distance from is , which equals .
JEE Main · 2025 · 03 Apr 2025 · Shift 2 · Single correct option