Let the point be at a unit distance from each of the two lines , and . If P lies below and above , then is equal to
- (A)-14
- (B)42
- (C)-22
- (D)14✓ Correct
Answer: (D)
Solution
Distance from to : . Since P is below , , so , giving . Distance to : . Since P is above , , so , giving . Solving: From first equation . Substituting: , so , giving , . Then . Thus . Rechecking: , so .
JEE Main · 2022 · 25 Jul 2022 · Shift 2 · Single correct option