Let the eccentricity of the hyperbola \frac{x^2}{a^2} - \frac{y^2}{b^2} = 1 be reciprocal to that of the ellipse x^2 + 9y^2 = 9, then the ratioa^2 : b^2 equals

WBJEE 2018 Math Solved Paper

Question : 21 of 75

Marks: +1, -0

Let the eccentricity of the hyperbola

−

=1 be reciprocal to that of the ellipse x2+9y2=9, then the ratioa2:b2 equals

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