1.

If PQ is a double ordinate of hyperbola \[\frac{{{x}^{2}}}{{{a}^{2}}}-\frac{{{y}^{2}}}{{{b}^{2}}}=1\] such that OPQ is an equilateral triangle, O being the centre of the hyperbola. Then the eccentricity e of the hyperbola satisfies         [EAMCET 1999]

A.            \[1<e<2/\sqrt{3}\]                    
B.            \[e=2/\sqrt{3}\]
C.            \[e=\sqrt{3}/2\]                        
D.            \[e>2/\sqrt{3}\]
Answer» E.


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