Home
Class 12
MATHS
The equation 1/r=1/8+3/8 cos theta repre...

The equation `1/r=1/8+3/8 cos theta` represents

A

a parabola

B

an ellipse

C

a hyperbola

D

a rectangular hyperbola

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • PAIR OF STRAIGHT LINES

    SIA PUBLICATION|Exercise PROBLEM|42 Videos

  • PERMUTATIONS AND COMBINATIONS

    SIA PUBLICATION|Exercise Problems|41 Videos

Similar Questions

Explore conceptually related problems

Solve the equation 3x + 2 = 8x - 8 and represent the solution on number line and the Cartesian plane.

The radius of the circle with the polar equation r^(2) - 8r (sqrt(3) cos theta + sin theta) + 15 = 0 is

The polar equation cos theta + 7 sin theta= (1)/(r ) represents a

The sum of all the solution is of the equation cos theta cos ((pi)/3+theta)cos ((pi)/3-theta)=1/4, theta in [0,6pi ]

The number of solutions the equation cos (theta). cos (pi theta)= 1 has

Solve the equation 1 + sin^(2) theta = 3 sin theta cos theta .

SIA PUBLICATION-PARABOLA, ELLIPSE AND HYPERBOLA-Problems
  1. Equation of the latusrectum of the ellipse 9x^(2)+4y^(2)-18x-8y-23=0 a...

    Text Solution

    |

  2. If the ecentricity of a hyperbola is srqt3 then the eccentricity of it...

    Text Solution

    |

  3. If a point P moves such that its distances from the point A(1,1) and t...

    Text Solution

    |

  4. The parabola with drectrix x+2y-1=0 and focus (1,0) is

    Text Solution

    |

  5. The lines among the following which touches the parabola y^(2)=4ax, is

    Text Solution

    |

  6. The eccentricity of the conic 36x^(2)+144y^(2)-36x-96y-119=0 is

    Text Solution

    |

  7. The ecentricty of the ellipse 9x^(2)+5y^(2)-18x-20y-16=0 is

    Text Solution

    |

  8. The product of the lengths of perpendiculars drawn from any point on t...

    Text Solution

    |

  9. The equations of the parabola with focus (0,0) and directrix x+y=4, is

    Text Solution

    |

  10. The equation of the parabola with the focus (3,0) and the directrix x+...

    Text Solution

    |

  11. If e and e' are the ecentricities of the ellipse 5x^(2)+9y^(2)=45 and ...

    Text Solution

    |

  12. The pole of the straight line x+4y=4 with respect to the ellipse x^(2)...

    Text Solution

    |

  13. Locus of the poles of focal chord of a parabola is

    Text Solution

    |

  14. The equation 1/r=1/8+3/8 cos theta represents

    Text Solution

    |

  15. The lengths of latusrectum of parabola y^(2)+8x-2y+17=0 is

    Text Solution

    |

  16. If the normal to the parabola y^(2)=4x at P(1,2) meets the parabola ag...

    Text Solution

    |

  17. The eccentricity of ellipse x^(2)/16+y^(2)/9=1 is

    Text Solution

    |

  18. The products of lengths of perpendicuylars from anypoint of hyperbola ...

    Text Solution

    |

  19. The equation 16x^(2)+y^(2)+8xy-74x-78y+212=0 represents

    Text Solution

    |

  20. Equation of curve in polar coordinates is I/r=2 sin^(2)""theta/2 then ...

    Text Solution

    |