Let 0<θ<2π. If the eccentricity of the hyperbola cos2θx2−sin2θy2=1 is greater than 2, then the length of its latus rectum lies in the interval:
Held on 9 Jan 2019 · Verified 6 Jul 2026.
(3,∞)
(1,23]
(2,3]
(23,2]
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