Home
Class 12
MATHS
If A and B are the positon vectors of ba...

If A and B are the positon vectors of `bar(a)` and `bar(b)` respectively, then find the positon vector of a point C in `vec(BA)` produced such that `vec(BC)=1.5vec(BA)`.

Promotional Banner

Topper's Solved these Questions

  • VECTOR ALGEBRA

    KUMAR PRAKASHAN|Exercise Solutions of NCERT Exemplar Problems (Objective type Questions)|23 Videos
  • VECTOR ALGEBRA

    KUMAR PRAKASHAN|Exercise Solutions of NCERT Exemplar Problems (True/False)|5 Videos
  • VECTOR ALGEBRA

    KUMAR PRAKASHAN|Exercise Textbook Illustrations for Practive Work|36 Videos
  • THREE DIMENSIONAL GEOMETRY

    KUMAR PRAKASHAN|Exercise PRACTICE PAPER -11|16 Videos

Similar Questions

Explore conceptually related problems

The position vector of the points A and B are respectively vec(a) and vec(b) . Find the position vectors of the points which divide AB in trisection.

Consider two points P and Q with position vectors 2vec(a)+vec(b) and vec(a)-3vec(b) respectively. Find the position vector of a point R which divide the line segment joining P and Q in the ratio. 1 : 2 externally. Prove that P is a midpoint of line segment RQ.

If the position vector of a point A is vec a + 2 vec b and vec a divides AB in the ratio 2:3 , then the position vector of B, is

If vec a , vec b , vec c , vec d are the position vector of point A , B , C and D , respectively referred to the same origin O such that no three of these point are collinear and vec a + vec c = vec b + vec d , than quadrilateral A B C D is a ;

The position vectors of the points A, B, C are vec(a),vec(b) and vec( c ) respectively. If the points A, B, C are collinear then prove that vec(a)xx vec(b)+vec(b)xx vec( c )+vec( c )xxvec(a)=vec(0) .

Consider two points P and Q with position vectors vec(OP)=3hata-2vec(b) and vec(OQ)=vec(a)+vec(b) . Find the position vector of a point R which divides the line joining P and Q in the ratio 2 : 1, (i) internally, and (ii) externally.

If vec a , vec b are the position vectors of the points (1,-1),(-2,m), find the value of m for which vec aa n d vec b are collinear.

Vectors drawn from the origin O to the points A , B and C are respectively vec a , vec b and 4veca- 3vecbdot find vec(AC) and vec(BC)dot

If theta is angle between two vectors vec(a) and vec(b) then vec(a).vec(b)ge 0 only when …….

KUMAR PRAKASHAN-VECTOR ALGEBRA -Solutions of NCERT Exemplar Problems (Short Answer Type Questions)
  1. Find the unit vector in the direction of sum of vectors vec(a)=2hati-h...

    Text Solution

    |

  2. If bar(a)=hati+hatj+2hatk and bar(b)=2hati+hatj-2hatk, find the unit v...

    Text Solution

    |

  3. Find a unit vector in the direction of vec(PQ), where P and Q have coo...

    Text Solution

    |

  4. If A and B are the positon vectors of bar(a) and bar(b) respectively, ...

    Text Solution

    |

  5. Using vectors, find the value of k, such that the points (k,-10,3),(1,...

    Text Solution

    |

  6. A vector bar( r ) is inclined at equal angles to the three axes. If th...

    Text Solution

    |

  7. If a vector vec( r ) has magnitude 14 and direction ratios 2, 3, -6. T...

    Text Solution

    |

  8. Find a vector of magnitude 6, which is perpendicualr to both the vecto...

    Text Solution

    |

  9. Find the angle between the vectors 2hati-hatj+hatk and 3hati+4hatj-hat...

    Text Solution

    |

  10. If bar(a)+bar(b)+bar( c )=0, then show that bar(a)xx bar(b)=bar(b)xx b...

    Text Solution

    |

  11. Find the sine of the angle between the vectors bar(a)=3hati+hatj+2hatk...

    Text Solution

    |

  12. If A, B, C and D are the points with position vectors hati+hatj-hatk,2...

    Text Solution

    |

  13. Using vectors, find the area of the DeltaABC with vertices A(1,2,3),B(...

    Text Solution

    |

  14. Using vectors, prove that the parallelogram on the same base and betwe...

    Text Solution

    |

  15. Prove that in any DeltaABC,cos A=(b^(2)+c^(2)-a^(2))/(2bc) where a, ...

    Text Solution

    |

  16. Show that area of the parallelogram whose diagonals are given by vec(a...

    Text Solution

    |

  17. If bar(a)=bar(i)+bar(j)+bar(k) and bar(b)=bar(j)-bar(k), then find a v...

    Text Solution

    |