Home
Class 12
MATHS
f(x , y)=x^2+y^2+2a x+2b y+c=0 represent...

`f(x , y)=x^2+y^2+2a x+2b y+c=0` represents a circle. If `f(x ,0)=0` has equal roots, each being `2,` and `f(0,y)=0` has 2 and 3 as its roots, then the center of the circle is

A

`(2,(5)/(2))`

B

Data are not consistent

C

`(-2,-(5)/(2))`

D

Data are inconsistent

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • CIRCLE

    ARIHANT MATHS|Exercise Exercise (More Than One Correct Option Type Questions)|15 Videos
  • CIRCLE

    ARIHANT MATHS|Exercise Exercise (Passage Based Questions)|21 Videos
  • CIRCLE

    ARIHANT MATHS|Exercise Exercise For Session 7|18 Videos
  • BIONOMIAL THEOREM

    ARIHANT MATHS|Exercise Exercise (Questions Asked In Previous 13 Years Exam)|21 Videos
  • COMPLEX NUMBERS

    ARIHANT MATHS|Exercise Complex Number Exercise 8|3 Videos

Similar Questions

Explore conceptually related problems

Let f(x,y)=0 be the equation of a circle. If f(0,lamda)=0 has equal roots lamda=2,2 and f(lamda,0)=0 has roots lamda=(4)/(5),5 then the centre of the circle is

The circle x^2 + y^2+ 4x-7y + 12 = 0 cuts an intercept on y-axis equal to

A polynomial of 6th degree f(x) satisfies f(x)=f(2-x), AA x in R , if f(x)=0 has 4 distinct and 2 equal roots, then sum of the roots of f(x)=0 is

If f(x+2y , x-2y)=x y , then f(x,y) equals

If f(x) is a cubic polynomial x^3 + ax^2+ bx + c such that f(x)=0 has three distinct integral roots and f(g(x)) = 0 does not have real roots, where g(x) = x^2 + 2x - 5, the minimum value of a + b + c is

If the circle x^2+y^2+2x+3y+1=0 cuts x^2+y^2+4x+3y+2=0 at A and B , then find the equation of the circle on A B as diameter.

If the circles x^2+y^2=9 and x^2+y^2+8y+c=0 touch each other, then c is equal to:

Let f(x)=x^(3)+ax^(2)+bx+c be the given cubic polynomial and f(x)=0 be the corresponding cubic equation, where a, b, c in R. Now, f'(x)=3x^(2)+2ax+b Let D=4a^(2)-12b=4(a^(2)-3b) be the discriminant of the equation f'(x)=0 . IF D=4(a^(2)-3b)lt0 . Then, a. f(x) has all real roots b. f(x) has one real and two imaginary roots c. f(x) has repeated roots d. None of the above

Let f(x)=x^(3)+ax^(2)+bx+c be the given cubic polynomial and f(x)=0 be the corresponding cubic equation, where a, b, c in R. Now, f'(x)=3x^(2)+2ax+b Let D=4a^(2)-12b=4(a^(2)-3b) be the discriminant of the equation f'(x)=0 . If D=4(a^(2)-3b)gt0 and f(x_(1)).f(x_(2)) lt0" where " x_(1),x_(2) are the roots of f(x), then a. f(x) has all real and distinct roots b. f(x) has three real roots but one of the roots would be repeated c. f(x) would have just one real root d. None of the above

Determine the radius and centre of the circle : x^2 +y^2-x+2y-3=0 .

ARIHANT MATHS-CIRCLE -Exercise (Single Option Correct Type Questions)
  1. The number of rational point(s) [a point (a, b) is called rational, if...

    Text Solution

    |

  2. Find the sum of odd integers from 1 to 101

    Text Solution

    |

  3. f(x , y)=x^2+y^2+2a x+2b y+c=0 represents a circle. If f(x ,0)=0 has e...

    Text Solution

    |

  4. If (1+ax)^n = 1 + 8x + 24x^2 + … and a line through P(a, n) cuts the c...

    Text Solution

    |

  5. A region in the x-y plane is bounded by the curve y=sqrt(25-x^2) and t...

    Text Solution

    |

  6. S(x ,y)=0 represents a circle. The equation S(x ,2)=0 gives two identi...

    Text Solution

    |

  7. Let 0 lt alpha lt (pi)/(2) be a fixed angle . If p=(costheta, sin the...

    Text Solution

    |

  8. Find the number of point (x ,y) having integral coordinates satisfying...

    Text Solution

    |

  9. The point ( [ P+1 ] , [ P ] ) (where [.] denotes the greatest intege...

    Text Solution

    |

  10. A point P lies inside the circles x^2+y^2-4=0 and x^2+y^2-8x+7=0. Th...

    Text Solution

    |

  11. The set of values of 'c' so that the equations y=|x|+c andx^(2)+y^(2)-...

    Text Solution

    |

  12. If a line segement A M=a moves in the plane X O Y remaining parallel t...

    Text Solution

    |

  13. Show that the four points of intersection of the lines : (2x-y + 1) (x...

    Text Solution

    |

  14. Find the number of integral values of lambda for which x^2+y^2+lambdax...

    Text Solution

    |

  15. Let f(x,y)=0 be the equation of a circle. If f(0,lamda)=0 has equal ro...

    Text Solution

    |

  16. Find the points of intersection of the line 2x+3y=18 and the cricle x^...

    Text Solution

    |

  17. Find the solution of trigonometric equation sin4x=1.

    Text Solution

    |

  18. A, B C and D are the points of intersection with the coordinate axes o...

    Text Solution

    |

  19. alpha,beta and gamma are parametric angles of three points P, Q and R ...

    Text Solution

    |

  20. The equation of the circle passing through (2,0) and (0,4) and having ...

    Text Solution

    |