Home
Class 12
MATHS
The radius of the circle with the polar ...

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

A

8

B

7

C

6

D

5

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • BINOMIAL THEOREM AND PARTIAL FRACTIONS

    SIA PUBLICATION|Exercise Problems|48 Videos
  • COMPLEX NUMBERS AND DE MOIVRE'S THEOREM

    SIA PUBLICATION|Exercise Problems|34 Videos

Similar Questions

Explore conceptually related problems

If sqrt(3) cos theta - sin theta = 1 then theta =

Solve sqrt(3) cos theta + sin theta = sqrt(2)

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

The equation of the circle passing through the point (-1+3 cos theta, 2+3 sin theta) is

The range of 8 cos theta - 15 sin theta is

If sqrt(3) cos theta + sin theta = sqrt(2) , then theta =

The set of solutions of the equation (sqrt(3)-1)sin theta + (sqrt(3) +1)cos theta = 2 is :

If cos theta + sqrt(3) sin theta = 2 then theta =

Solve the following equations sqrt(3) Sin theta - Cos theta = sqrt(2)

SIA PUBLICATION-CIRCLE-PROBLEMS
  1. The inverse of the point (1, 2) with respect to the circle x^(2) + y^(...

    Text Solution

    |

  2. If theta is the angle between the tangents from (-1,0) to the circle x...

    Text Solution

    |

  3. The radius of the circle with the polar equation r^(2) - 8r (sqrt(3) c...

    Text Solution

    |

  4. The equation of the circle of radius 3 that lies in the fourth quadran...

    Text Solution

    |

  5. The polar equation of the circle with centre (2, (pi)/(2)) and radius ...

    Text Solution

    |

  6. The number of common tangentss to the circles x^(2)+y^(2)-8x+2y=0 and ...

    Text Solution

    |

  7. Statement I The circle x^(2) + y^(2) - 6x - 4y - 7 = 0 touches y-axis ...

    Text Solution

    |

  8. Find the length of the tangent form (1,3) to the circle x^(2) + y^(2...

    Text Solution

    |

  9. If x - y + 1 = 0 meets the circle x^(2) + y^(2) + y - 1 = 0 at A a...

    Text Solution

    |

  10. If y=3x is a tangent to a circle with centre (1,1) then the other tang...

    Text Solution

    |

  11. Which of the following equation gives a circle ?

    Text Solution

    |

  12. If P(1), P(2), P(3) are the perimeters of the three circles x^(2) + y^...

    Text Solution

    |

  13. The centre of the circle r^(2) - 4r (cos theta + sin theta) - 4 = 0 in...

    Text Solution

    |

  14. The radius of the circle r = sqrt(3) sin theta + cos theta is

    Text Solution

    |

  15. The number of circles that touches all the three lines x+y-1=0, x-y-1=...

    Text Solution

    |

  16. If the line 3x-2y + 6=0 meets X-axis and Y-axis respectively at A and ...

    Text Solution

    |

  17. A line l meets the circle x^(2) + y^(2) = 61 in A , B and P(-5,6) i...

    Text Solution

    |

  18. If (1, a), (b, 2) are conjugate points with renpcet to the circle x^(2...

    Text Solution

    |

  19. If P is a point such that the ratio of the square of the lengths of th...

    Text Solution

    |

  20. If 5x - 12y + 10 = 0 and 12y - 5x + 16 = 0 are two tangents to a circl...

    Text Solution

    |