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If e and e^1 are the eccentricities of t...

If e and `e^1` are the eccentricities of the ellipse `5x^(2)+9y^(2)=45` and the hyperbola `5x^(2)-4y^(2)=45" then "e e^(1)=`

A

9

B

5

C

4

D

1

Text Solution

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The correct Answer is:
D
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AAKASH SERIES-HYPERBOLA-Exercise -II
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  4. If the equation (10x-5)^(2)+(10y 4)^(2)=lambda^(2) (3x+4y-1)^(2) repre...

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  5. Statement-I: The number of integral values of K for which the equation...

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  6. The equation of the director circle of x^(2)//12-y^(2)//8=1 is

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  7. If the tangents drawn from a point on the hyperola x^(2)-y^(2)=a^(2)-b...

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  8. Equation of one of the tangents passing through (2, 8) to the hyperbol...

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  9. The locus of the point of Interection of two tangents to the hyperbola...

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  10. Locus of P such that the chord of contact of P with respect to y^2= 4a...

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  11. 3x+4y-7=0 is normal to 4x^(2)-3y^(2)=1 at the point

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  12. The mid point of the chord 4x-3y=5 of the hyperbola 2x^(2)-3y^(2)=12 i...

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  13. If alpha and beta are two points on the hyperbola x^(2)/a^(2)-y^(2)/b^...

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  14. If the intercepts made by tangent, normal to a rectangular hyperbola x...

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  15. If the normal at theta on the hyperbola x^(2)//a^(2)-y^(2)//b^(2)=1 me...

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  16. If the l x+ my=1 is a normal to the hyperbola (x^(2))/(a^(2))-(y^(2))/...

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  17. The locus of the point of intersection of the tangents at the ends of ...

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  18. The locus of middle points of normal chords of the rectangular hyperbo...

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  19. The maximum number of normals to hyperbola x^(2)/a^(2)-y^(2)/b^(2)=1 f...

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  20. The product of lengths of the perpendiculars from the point of the hyp...

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