Question
Mathematics Question on Coordinate Geometry
The locus of P such that the ratio of distance P from A(3, 1) and B(1, 2) is 5 : 4 is
A
81x2 - 92x + 81y2 - 180y = 35
B
81x2 + 92x + 81y2 - 19y = 35
C
81x2 - 48x + 81y2 + 20y = 35
D
81x2 - 90x + 81y2 - 180y = 35
Answer
81x2 - 90x + 81y2 - 180y = 35
Explanation
Solution
The Correct answer is option is (D) : 81x2 - 90x + 81y2 - 180y = 35