Home
Class 11
MATHS
Number of tangents of x^2 + y^2 - 25 = ...

Number of tangents of ` x^2 + y^2 - 25 = 0` on `(4, +-3)` are

A

a)0

B

b)1

C

c)2

D

d)3

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • MODEL QUESTION PAPERS-SET 4

    UNITED BOOK HOUSE|Exercise EXERCISE|47 Videos

  • MODEL QUESTION PAPERS-SET 6

    UNITED BOOK HOUSE|Exercise EXERCISE|47 Videos

Similar Questions

Explore conceptually related problems

Number of common tangents of y= x^(2) and y= -x^(2) + 4x -4 is

The number of tangents to the circle x^2 + y^2 - 8x - 6y + 9 = 0 which pass through the point (3, -2) are

The number of common tangents to the circles x^2+y^2-4x-6y-12=0 and x^2+y^2+6x+18y+26=0

Find the equations of tangents to the circle x^2+y^2-22 x-4y+25=0 which are perpendicular to the line 5x+12 y+8=0

If the equation of the tangent to the circle x^(2) + y^(2) - 2x + 6y - 6 =0 parallel to the line 3x - 4y +7 =0 is 3x - 4y +k=0 , then the value of k is-

If H is the number of horizontal tangents and V is the number of vertical tangents to the curve y^3-3xy +2=0 , then the value of (H+ V) equals

The equations of the tangents to the circle x^2 + y^2 = 25 which are inclined at an angle of 30^@ to the x- axis are

The number of common tangent to two circle x ^(2) +y^(2) =4 and x^(2) +y^(2) -8x+12=0 is-

Find the number of common tangent to the circles x^2+y^2+2x+8y-23=0 and x^2+y^2-4x-10 y+9=0

UNITED BOOK HOUSE-MODEL QUESTION PAPERS-SET 5-EXERCISE
  1. If the sum of an infinite G.P. series is equal to the sum of 5 times o...

    Text Solution

    |

  2. The equation of a straight line which intersects the axes in equal len...

    Text Solution

    |

  3. Number of tangents of x^2 + y^2 - 25 = 0 on (4, +-3) are

    Text Solution

    |

  4. value oflim(xrarr0)(cosx-1)/x^2is

    Text Solution

    |

  5. If at x = t, the derivative of f(x) is f’(t) then.the value oflim(xtot...

    Text Solution

    |

  6. If the odds in favour of an event are 7 :1, then the probability of oc...

    Text Solution

    |

  7. Mode of .2, 7, 5, 3, 7, 1, 6, 9, 7, 3, 6, 3 is

    Text Solution

    |

  8. For any two sets A and B, Prove that A cup (Acap B) = A.

    Text Solution

    |

  9. Show that f(x) = log [x + sqrt(1 + x^2)] is a odd function.

    Text Solution

    |

  10. If tan 26^@ and tan 19^@ are the roots of the equation ax^2 - bx -f c ...

    Text Solution

    |

  11. If tan15^@=x.then show that x^2+2sqrt3x-1=0

    Text Solution

    |

  12. In a quadratic equation of the form ax^2 + bx + c = 6 the co-efficient...

    Text Solution

    |

  13. Show that. sqrt i+sqrt-i=sqrt2

    Text Solution

    |

  14. Prove that by using the principle of mathematical induction for all n...

    Text Solution

    |

  15. In a n sided polygon joining by straight line all the angular points. ...

    Text Solution

    |

  16. Find the equation of a straight line passes through (-3, 10) and the l...

    Text Solution

    |

  17. Find the ratio in which the straight line 3x + y = 9 divides the line ...

    Text Solution

    |

  18. Prove that: lim(xrarr0)tanx/x=1

    Text Solution

    |

  19. If.y = tan^-1 (sec x + tan x), show that ,dy/dx=1/2 .

    Text Solution

    |

  20. A and B are two independent event. It P(A) = 1/2 and P(A cup B)=2/3,fi...

    Text Solution

    |