If PQ is a double ordinate of the hyperb...

If PQ is a double ordinate of the hyperbola `(x^(2))/(a^(2))-(y^(2))/(b^(2))=1` such that `Delta OPQ` is equilateral, O being the centre. Then the eccentricity e satisfies

`1 lt e lt (2)/(sqrt(3))`

`e=(2)/(sqrt(2))`

`e=(sqrt(3))/(2)`

`e gt (2)/(sqrt(3))`

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