Home
Class 11
MATHS
A variable straight line AB intersecting...

A variable straight line AB intersecting the x and y-axies at A and B always passes through a fixed point `(alpha,beta)` . Find the locus of the point dividing AB in the ratio `2:1`.

Text Solution

Verified by Experts

The correct Answer is:
`(alpha)/(x)+(2beta)/(y)=3`
Promotional Banner

Topper's Solved these Questions

  • STRAIGHT LINE

    CHHAYA PUBLICATION|Exercise EXERCISE 2B (Multiple Choice Type Questions)|12 Videos
  • STRAIGHT LINE

    CHHAYA PUBLICATION|Exercise EXERCISE 2B (Very Short Answer Type Questions )|16 Videos
  • STRAIGHT LINE

    CHHAYA PUBLICATION|Exercise EXERCISE 2A (Short Answer Type Questions )|26 Videos
  • MATHEMATICAL INDUCTION

    CHHAYA PUBLICATION|Exercise Sample Questions for Competitive Exams|20 Videos

Similar Questions

Explore conceptually related problems

A variable line passes through the fixed point (alpha,beta) . The locus of the foot of the perpendicular from the origin on the line is,

Find the equation to the circle which touches the y-axis at the origin and passes through the point (alpha, beta) .

Show that the straight line (a + 2b) x + (a -3b)y + b -a = 0 always passes through a fixed point. Find the co-ordinate of that point.

A variable straight,line of slope of 4 intersects the hyperbola xy = 1 at two points. Find the locus of the point which divides the line segment between these two points in the ratio 1 : 2.

A moving straight line always passes through a fixed point (alpha,beta) .Prove that the locus of the middile point of the portion of the line intercepted between the axes is alpha/x+beta/y=2

A moving straight line always passes through a fixed point (alpha , beta) . Prove that the locus of the middle point of the portion of the line intercepted between the axes is (alpha)/(x)+(beta)/(y) = 2 .

Show that the straight line (a+2b)x+(a-3b)y+b-a=0 always passes through a fixed point , find the cootdinates of that fixed point.

A straight line through the point of intersection of the lines x+2y = 4 and 2x +y =4 meets the coordinates axes at A and B. The locus of the midpoint of AB is

A straight line through the point of intersection of the lines x + 2y = 4 and 2 x + y = 4 meets the coordinate axes at A and B .the locus of the midpoint of AB is _

A striaght line intersect x-axis at A(7,0) and y-axis at B(0,-5). The straight line PQ is perpendicular to AB and intersect the x and y-axes at P adn Q respectively. Find the eqution to the locus of the point of intersection of the line AQ and BP.

CHHAYA PUBLICATION-STRAIGHT LINE-EXERCISE 2A (Long Answer Type Questions )
  1. A straigh line passes through the point (2,3) and is such that the s...

    Text Solution

    |

  2. Two straight lines , drawn through the origin , trisect the portion of...

    Text Solution

    |

  3. A variable straight line AB intersecting the x and y-axies at A and B...

    Text Solution

    |

  4. A straight line passes through the point (2,3) and forms a triangle of...

    Text Solution

    |

  5. A straight line forms a right angled triangle with the axes of coordin...

    Text Solution

    |

  6. The exptrmities of the base of an isosceles triangle have coordinates ...

    Text Solution

    |

  7. Find the ratio in which the straight line 5x+4y=4 divides the join of ...

    Text Solution

    |

  8. A(2,5) and B(-3,-4) are two fixed points , the point P divides the li...

    Text Solution

    |

  9. A straight line has slope (3)/(4) and it passes through the point A(-...

    Text Solution

    |

  10. A straight line passes through the point A(1,2) and makes an angle the...

    Text Solution

    |

  11. Find the equations to the straight lines which are at a distance of 1...

    Text Solution

    |

  12. Show that the line joining the origin and (2,3) is concurrent with the...

    Text Solution

    |

  13. Prove that the straight lines ax+(b+c)y+d=0,bx+(c+a)y+d=0andxc+(a+b)y+...

    Text Solution

    |

  14. Find the condition so that the lines xcosalpha+ysinalpha=p,xcosbeta+ys...

    Text Solution

    |

  15. If ab +bc+ca=0 , show that the lines (x)/(a)+(y)/(b)=(1)/(c),(x)/(b)+(...

    Text Solution

    |

  16. The variable coefficients p,q,r in the equation of the staight line px...

    Text Solution

    |

  17. Show that the area of the triangle formed by the straight lines y...

    Text Solution

    |

  18. A variable straight line through the point of intersection of the two ...

    Text Solution

    |

  19. 3x+2y=8 in this given straight line find the gradient and y intercept.

    Text Solution

    |