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If e and e^(prime) are eccentricities of...

If `e` and `e^(prime)` are eccentricities of a hyperbola its conjugate, then `(1)/(e^(2))+(1)/((e^(1))^(2))=`

A

3

B

4

C

1

D

2

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The correct Answer is:
C
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HIMALAYA PUBLICATION-HYPERBOLA-QUESTION BANK
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  3. If e and e^(prime) are eccentricities of a hyperbola its conjugate, th...

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  4. The value of K so that y=4x+K may touch the hyperbola (x^(2))/(64)-(y^...

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  5. The eccentricity of the hyperbola 36 x^(2)-25 y^(2)=900 is

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  6. If P is any point on the hyperbola ((x-1)^(2))/(9)-((y+1)^(2))/(16)=1 ...

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  7. The point of intersection of two perpendicular tangents to (x^(2))/(a^...

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  8. The line p=x cos alpha+y sin alpha becomes tangent to (x^(2))/(a^(2))-...

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  9. The eccentricity of the hyperbola (sqrt(1999))/(3)(x^(2)-y^(2))=1 is

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  10. The product of the perpendicular from any poitn P(x,y) on the hyperbol...

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  11. The length of transverse axis of the hyperbola 3x^(2) - 4y^(2) = 32 is

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  12. Which of the statements in the following is false in respect of the co...

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  13. The locus of a point which moves such that the difference of its dista...

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  16. If the distance between the foci and the distance between the directri...

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  18. The distance between the foci of the hyperbola x=8 sec theta, y=6 tan ...

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  19. Which one of the following is independent of alpha in the hyperbola (0...

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