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If the ellipse x^(2)+lambda^(2)y^(2)=lam...

If the ellipse `x^(2)+lambda^(2)y^(2)=lambda^(2)a^(2);lambda^(2)>1` is confocal with the hyperbola `x^(2)-y^(2)=a^(2)` ,then
a. ratio of eccentricities of ellipse and hyperbola is `1:sqrt3`
b. ratio of major axis of ellipse and transverse axis of hyperbola is `sqrt3:1`
c. The ellipse and hyperbola cuts each other orthogonally
d. ratio of length of latusrectumof ellipse and hyperbola is `1:3`

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