Home
Class 12
MATHS
If e1 is the eccentricity of the conic 9...

If `e_1` is the eccentricity of the conic `9x^2+4y^2=36\ a n d\ e_2` is the eccentricity of the conic `9x^2-4y^2=36` then `e1 2-e2 2=2` b. `e2 2-e1 2=2` c. `2<3 2 2-3 1 2<3` d. `e2 2-e1 2>3`

A

`(0,2)`

B

`(2,0)`

C

`(0,3)`

D

`(sqrt3, (3/2)`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • Some New Pattern Problems

    A DAS GUPTA|Exercise Exercise|137 Videos

  • Screening Tests

    A DAS GUPTA|Exercise Exercise|38 Videos

  • Total Conditional Probability and Bayes' Theorem

    A DAS GUPTA|Exercise Exercise|29 Videos

Similar Questions

Explore conceptually related problems

If e_(1) is the eccentricity of the conic 9x^(2)+4y^(2)=36 and e_(2) is the eccentricity of the conic 9x^(2)-4y^(2)=36 then e12-e22=2 b.e22-e12=2c.2 3

The eccentricity of the conic x ^(2) -4y ^(2) =1 is

What is the eccentricity of the conic 4x^(2)+9y^(2)=144 ?

Find the eccentricity of the conic 4(2y-x-3)^(2)-9(2x+y-1)^(2)=80

If e_(1) is the eccentricity of the hyperbola (x^(2))/(36)-(y^2)/(49) =1 and e_(2) is the eccentricity of the hyperbola (x^(2))/(36)-(y^2)/(49) =-1 then

The eccentricity of the ellipse 9x^2+25y^2=225 is e then the value of 5e is

" If e is eccentricity of the ellipse 2x^(2)+3y^(2)=6 and r is the radius of the circle x^(2)+y^(2)-2x+4y+4=0 then e^(2)+r =

The eccentricity of the conic 9x^(2)+25y^(2)=225 is 2/5 b.4/5 c.1/3 d.1/5 e.3/5

A DAS GUPTA-Some New Pattern Problems-Exercise
  1. The area bounded by the curve y= f(x) and the lines x=0, y=0 and x=t, ...

    Text Solution

    |

  2. The radius of curvature of the curve y^2=4x at the point (1, 2) is

    Text Solution

    |

  3. If e1 is the eccentricity of the conic 9x^2+4y^2=36\ a n d\ e2 is the ...

    Text Solution

    |

  4. int (-pi//2)^(pi//2) sin | x | dx is equal to

    Text Solution

    |

  5. int (sin(1/x)cos^3(1/x))/x^2dx is equal to

    Text Solution

    |

  6. If f''(x) lt 0 AA x in (a,b) and (c, f(c)) is a point lying on the cur...

    Text Solution

    |

  7. The family of parabolas with a common vertex at the origin whose foci ...

    Text Solution

    |

  8. The orthogonal trajectory of the family of parabolas y^2 =4ax is

    Text Solution

    |

  9. The curve passing through the point (1, 2) that cuts each member of th...

    Text Solution

    |

  10. The general solution of the equation ((d^3y)/(dx^3)) - 7 ((d^2y)/(dx^...

    Text Solution

    |

  11. Find the differential equation for which the following value of y is t...

    Text Solution

    |

  12. The general solution of the equation (d^3 y)/ (dx^3) +y=0 is

    Text Solution

    |

  13. The value of |U| where U= [(2,3,4),(3,4,5),(4,5,6)]

    Text Solution

    |

  14. show that matrix A = [(3,4),(1,2)] satisfies the equation A^2-5A+2I=0

    Text Solution

    |

  15. The sum of the elements of the product [3, 2,0] and [(3),(2), (0)] is

    Text Solution

    |

  16. The rank of matrix [(x, -1, 0), (0, x, -1), (-1, 0,x)] is 2 then value...

    Text Solution

    |

  17. One of the eigenvalues of A is where A= [(2,5),(7,4)]

    Text Solution

    |

  18. The denary number 43125 in the scale of 6 will be represented by

    Text Solution

    |

  19. The sum of the numbers 2053 and 412 in the scale of seven is

    Text Solution

    |

  20. The product of the numbers 5623 and 6 in the scale of eight is

    Text Solution

    |