Question
Question: The eccentricity of the conic 2x<sup>2</sup> + 3y<sup>2</sup> – 4x + 5y + 4 = 0 is-...
The eccentricity of the conic 2x2 + 3y2 – 4x + 5y + 4 = 0 is-
A
21
B
21
C
31
D
31
Answer
31
Explanation
Solution
2x2 + 3y2 – 4x + 5y + 4 = 0
2(x–1)2 + 3(y+5/6)2 = 121
1/24(x–1)2 + 1/36(y+5/6)2 = 1 Ž a2 = 1/24 ; b2 = 1/36