Manipal Entrance Test 2013 Math Paper

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Question : 41 of 80
 
Marks: +1, -0
If PQ is a double ordinate of the hyperbola
x2
a2
−
y2
b2
=1
such that OPQ is an equilaieraltriangle, O bing the centre of the hyperbola, then the eccentricity e of the hyperbola satisfies.
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