Highly selective Backlog Qs for JEE MainMathematicsHyperbola
A double ordinate PQ of the hyperbola x ² a ² - y ² ~b ² =1 is such that OPQ is equilateral, O being the centre of the hyperbola. Then the eccentricity e satisfies the relation
Options
- A1 < e < 2 3
- Be = 2 3
- Ce = 3 2
- De > 2 3
Correct answer
D. e > 2 3
Step-by-step solution
Hint: P (a , b ) POM = 30^ = 1 3 = b a = a b 3 b² a² > 1 3 1+ b² a² > 4 3 e> 2 3