Let and , be points such that the area of triangle is 1 sq. unit, then the sum of all possible values of is:
- (A)✓ Correct
- (B)
- (C)
- (D)
Answer: (A)
Solution
Using the coordinates of the vertices, the area is Setting this equal to gives , so and The sum of the two values is So the sum of all possible values of is .
JEE Main · 2021 · 27 Aug 2021 · Shift 2 · Single correct option