Home
Class 10
MATHS
IF the points (a,1),(1,2) and (0,b+1) ar...

IF the points (a,1),(1,2) and (0,b+1) are collinear. Then `1/a+1/b=…….`

A

1

B

2

C

-2

D

-1

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • COORDINATE GEOMETRY

    VGS PUBLICATION-BRILLIANT|Exercise CCE model examination|151 Videos
  • MENSURATION

    VGS PUBLICATION-BRILLIANT|Exercise EXERCISE|244 Videos

Similar Questions

Explore conceptually related problems

The points (a , 2a) , (3a , 3a) and (3 , 1) are collinear, then a = ......

Statement I: The points (a,0),(0,b) and (1,1) will be collinear if 1/a+1/b=1 Statement II: If 4a^(2)+9b^(2)-c^(2)+12ab=0 , then the family of lines ax+by+c=0 is either concurrent at (2,3) or at (-2,-3). Then which of the followng is true

If the points (1 , 2) , (-1, x) and (2 , 3) are collinear then the value of x is .....

If the points P(-3,9) ,Q(a , b) and R(4 , - 5) are collinear and a + b=1, then find the values of a and b.

Find the value of ‘b’ for which the points A(1, 2), B(-1, b) and C(-3, -4) are collinear .

If points ( x , 0) , ( 0 , y) and ( 1 , 1) are collinear, then (1)/(x) +(1)/(y) = .......

Show that the points (-1,0,7),(3,2,1) and (5,3,-2) are collinear.

If the point A(3, -2, 4), B(1, 1, 1) and C(-1, 4, -2) are collinear then (C:AB)=

VGS PUBLICATION-BRILLIANT-COORDINATE GEOMETRY (MULTIPLE CHOICE QUESTION)-COORDINATE GEOMETRY(MULTIPLE CHOICE QUESTION)
  1. IF 3(k-1)y-6x=2 and 4y-8x+10=0 are parallel then find k.

    Text Solution

    |

  2. IF 2y-p^2 x=3 and 2y-(4px+1)=0 are parallel find the value of p.

    Text Solution

    |

  3. IF the points (a,1),(1,2) and (0,b+1) are collinear. Then 1/a+1/b=…….

    Text Solution

    |

  4. Find the gradient of the line joining the pair of points (sqrt3+1,2),(...

    Text Solution

    |

  5. If the points P=(a,2),Q=(1,3) and R=(5,b) are such that PQ=QR. Find 'a...

    Text Solution

    |

  6. Find the co-ordinates of incentre of the triangle whose vertices are (...

    Text Solution

    |

  7. The three vertices of Rhombus are (2,-1),(3,4) and (-2,3). Find the fo...

    Text Solution

    |

  8. Find the ratio in which the point A=(16,-8) divides the line segment j...

    Text Solution

    |

  9. IF the distance of the point P(x,y) from A=(a,0) be (a+x) then y^2=………...

    Text Solution

    |

  10. IF the point P(x,y) be equidistant from the point A=(m+n,n-m), B=(m-...

    Text Solution

    |

  11. Find the distance between the two points (at1^2,2at1),(at2^2,2at^2),t2...

    Text Solution

    |

  12. Find the equation of the line passing through the point (4,5) and maki...

    Text Solution

    |

  13. A line passes through the point (22,-6). IF the intercept on the x-axi...

    Text Solution

    |

  14. IF the points A(1+t,1),B(1+2t,3),C(2t+2,2t) are collinear find 't'.

    Text Solution

    |

  15. The straight line x+y=0, 3x+y-4=0 and x+3y-4=0 from a triangle which i...

    Text Solution

    |

  16. The vertices of a Delta^(l e) are A=(-2,8), B=(1,2), C=(7,-1). Find th...

    Text Solution

    |

  17. If the three vertices of a Rectangle are the points (2,-2),(8,4) and (...

    Text Solution

    |

  18. Given 1/a+1/b=k, find the fixed point which passes through the straigh...

    Text Solution

    |

  19. IF a,b,c are in A.P then the striaght line ax+by+c=0 will always pass ...

    Text Solution

    |

  20. A line is such that its segment between the axes is bisected at the po...

    Text Solution

    |