Hyperbola#1
Geometry
Level
3
The tangent at a point P on the hyperbola (x/a)^2-(y/b)^2=1 passes through the point (0,-b) and the normal at P passes through (a*2^1.5,0), then the eccentricity of the hyperbola is
3/2
5/4
2^1.5
2^0.5
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