Question
Question: Equation of the chord of the hyperbola 25x<sup>2</sup> - 16y<sup>2</sup> = 400 which is bisected at ...
Equation of the chord of the hyperbola 25x2 - 16y2 = 400 which is bisected at the point (6, 2) is:
A
16x - 75y = 418
B
75x - 16y = 418
C
25x - 4y = 400
D
None of these
Answer
75x - 16y = 418
Explanation
Solution
T = S1
ā 25 (6x) - 16 (2y) = (25) (36) - 16 (4).
ā 75x - 16y = 418.