Home
Class 12
MATHS
If the tangent to the circle x^2+y^2=5 a...

If the tangent to the circle `x^2+y^2=5` at (1,-2) also touches the circle `x^2+y^2-8x+6y+20=0` then the point of contac tis

A

(-1, 0)

B

(1, 0)

C

(3,-1)

D

(5, 2).

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • MOCK TEST 2

    SIA PUBLICATION|Exercise Physics|15 Videos

  • MOCK TEST 2

    SIA PUBLICATION|Exercise Chemistry|21 Videos

  • MOCK TEST 1

    SIA PUBLICATION|Exercise PHYSICS|12 Videos

  • PAIR OF STRAIGHT LINES

    SIA PUBLICATION|Exercise PROBLEM|42 Videos

Similar Questions

Explore conceptually related problems

Prove that the tangent at (3,-2) of the circle x^(2) + y^(2) = 13 touches the circle x^(2) + y^(2) + 2x - 10 y - 26 = 0 and find its point of contact.

To the circle x^(2)+y^(2)-8x-4y+4=0 tangent at the point theta=(pi)/4 is

Show that the tangent at (-1, 2) of the circle x^(2) + y^(2) - 4x -8y + 7 = 0 touches the circle x^(2) + y^(2) + 4x + 6y = 0 and also find its point of contact.

The equation of the circle with centre (-1,1) and touch the circle x^(2)+y^(2)-4x+6y-3=0 externally is

The equation of the circle radius is 5 and which touches the circle x^(2)+y^(2)-2x-4y-20=0" at this point (5,5) is"

Tangent to the curve y=x^(2)+6 at the point P(1,7) touches the circle x^(2)+y^(2)+16x+12y+c=0 at a point Q. Show that Q=(-6,-7)

If y+c=0 is a tangent to the circle x^(2)+y^(2)-6x-2y+1=0 at (a, 4), then

Show that the circles x^2 + y^2 - 2y -8x+ 8 = 0 and x^2 + y^2 - 2x + 6y + 6 = 0 touch each other and find the point of contact.

SIA PUBLICATION-MOCK TEST 2-Chemistry
  1. If the tangent to the circle x^2+y^2=5 at (1,-2) also touches the circ...

    Text Solution

    |

  2. A metallic carbide on treatment with water gives a colourless gas whic...

    Text Solution

    |

  3. Chlorination of toluene in presence of light and heat followed by trea...

    Text Solution

    |

  4. Molar ionic conductivities of a bivalent electrolyte are 57 and 73. Th...

    Text Solution

    |

  5. The forces operating between the adsorbate and the adsorbent in physic...

    Text Solution

    |

  6. Horn silver is

    Text Solution

    |

  7. Stainless steel does not rust because

    Text Solution

    |

  8. A polymer which is commonly used as a packaging material is

    Text Solution

    |

  9. Which compound/set of compounds is used in the manufacture of Nylon-6,...

    Text Solution

    |

  10. The pH value of a solution in which a polar amino acid does not migrat...

    Text Solution

    |

  11. The substances which affect the central nervous system and induce slee...

    Text Solution

    |

  12. Which is detected by carbylamine test?

    Text Solution

    |

  13. Acid catalyzed hydration of alkenes except ethane leads to the formati...

    Text Solution

    |

  14. 2, 2-dichloro propane treated with aq.KOH gives an unstable product. I...

    Text Solution

    |

  15. The process that does not yield an amine is

    Text Solution

    |

  16. Which one of the following compounds would undergo nitration with grea...

    Text Solution

    |

  17. In the chemical reaction, CH(3)CH(2)NH(2) + CHCl(3) + 3KOH rarr (A)+ (...

    Text Solution

    |

  18. X' grams of calcium carbonate was completely burnt in air. The weight ...

    Text Solution

    |

  19. 4 g of a hydrocarbon on complete combustion gave 12.571 g of Co, and 5...

    Text Solution

    |

  20. 10 grams of CaCO(3) is completely decomposed to x and CaO. 'x' is pass...

    Text Solution

    |

  21. 50 grams of calcium carbonate was completely burnt in air. What is the...

    Text Solution

    |