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The eccentricity of the ellipse represen...

The eccentricity of the ellipse represented by `25 x^2+16 y^2-150 x-175=0` is

A

`2//5`

B

`3//5`

C

`4//5`

D

none of these

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The correct Answer is:
B
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OBJECTIVE RD SHARMA-ELLIPSE-Exercise
  1. The parametric representation of a point on the ellipse whose foci are...

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  2. if S and S are two foci of an ellipse (x^(2))/(a^(2))+(y^(2))/(b^...

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  3. The eccentricity of the ellipse represented by 25 x^2+16 y^2-150 x-175...

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  4. the length of the latusrectum of the ellipse 5x^(2) + 9x^(2)=45...

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  5. The radius of the circle passing through the foci of the ellipse (x^2)...

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  6. the eccentricity to the conic 4x^(2) +16y^(2)-24x-32y=1 is

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  7. A set of points is such that each point is three times as far away fro...

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  8. the foci of an ellipse are (0+-6) and the equation of the direc...

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  9. An ellipse has its centre at (1,-1) and semi major axis =8 and it pass...

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  10. Let L L ' be the latusrectum and S be a focus of the ellipse (x^...

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  11. the equation of the axes of the ellispe 3x^(2)+4y^(2)+6x-8y-5=0 ...

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  12. the equations to the directrices of the ellipse 4(x-3)^(2)+9(y+2)...

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  13. if the vertices of an ellipse are (-12,4) and (14,4) and eccentr...

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  14. if the coordinates of the vertices of an ellipse are (-6,1) and (...

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  15. if the tangent at the point (4 cos phi , (16)/(sqrt(11) )sin phi ...

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  16. A man running around a race course notes that the sum of the distances...

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  17. Find the angle between the pair of tangents from the point (1,2) to...

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  18. Find the foci of the ellipse 25(x+1)^2+9(y+2)^2=225.

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  19. if the coordinates of the centre , a foucs and adjacent vertex ...

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  20. If x/a+y/b=sqrt(2) touches the ellipse (x^2)/(a^2)+(y^2)/(b^2)=1 , the...

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