Home
Class 12
MATHS
If the points P(bara+2barb+barc).Q(2bara...

If the points `P(bara+2barb+barc).Q(2bara+3barb) and R(barb+tbarc)` are collinear, where `bara,barb,barc` are three non-coplanar vectors, then the value of `t` is

A

`-2`

B

`-(1)/(2)`

C

`1/2`

D

2

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • VECTORS

    TARGET PUBLICATION|Exercise Evaluation Test|18 Videos
  • VECTORS

    TARGET PUBLICATION|Exercise Critical Thinking|35 Videos
  • TRIGONOMETRIC FUNCTIONS

    TARGET PUBLICATION|Exercise Evaluation Test|34 Videos

Similar Questions

Explore conceptually related problems

If bara,barb,barc are any three coplanar unit vectors then

If barp=(barbxxbarc)/(bara" "barb" "barc),barq=(barcxxbara)/(bara" "barb" "barc),barr=(baraxxbarb)/(bara" "barb" "barc) , where bara,barb,barc are three non-coplanar vectors, then the value of (bara+barb+barc).(barp+barq+barr) is given by

bara.(barb+barc)xx(bara+barb+barc)=

If bara,barb,barc are three vectors, then [bara,barb,barc] is not equal to

(bara+barb).(barb+barc)xx(bara+barb+barc)=

[[bara-barb, barb-bara, barc-bara]]=

If bara,barb,barc are three coplanar vectors, then [bara+barb" "barb+barc" "barc+bara]=

Find the vector equation of the line of intersection of the planes. barr=lamda_1(bara+barb)+mu_1(bara-barc)and barr=-2barb+lamda_2(bara+2barb-barc)+mu_2bara where bara,barb,barc are non-coplanar vectors.

bara.[barb+barc)xx(bara+barb+barc)] is equal to

If barc=bara times barb and barb=barc times bara then

TARGET PUBLICATION-VECTORS-Competitive Thinking
  1. If the point (1,0),(0,1) and (x,8) are collinear, then the value of x ...

    Text Solution

    |

  2. The points with position vectors 20overset(^)i+poverset(^)j,5overset(^...

    Text Solution

    |

  3. If the points P(bara+2barb+barc).Q(2bara+3barb) and R(barb+tbarc) are ...

    Text Solution

    |

  4. If the position vectors of the points A,B,C are bara,barb and 3bara-2b...

    Text Solution

    |

  5. If bara,barb,barc are three non-zero vectors which are pairwise non-co...

    Text Solution

    |

  6. If the vectors 3overset(^)i+2overset(^)j-overset(^)k and 6overset(^)i-...

    Text Solution

    |

  7. If the vectors 3overset(^)i+overset(^)j-5overset(^)k and aoverset(^)i+...

    Text Solution

    |

  8. If bara,barb are non-collinear vectors and x,y are scalars such that x...

    Text Solution

    |

  9. If bara,barb,barc are non-collinear vectors such that for some scalar ...

    Text Solution

    |

  10. veca and vecb are two non collinear vectors then xveca+yvecb (where x ...

    Text Solution

    |

  11. If bara=overset(^)i+overset(^)j-2overset(^)k,barb=2overset(^)i-overset...

    Text Solution

    |

  12. The position vectors of the point which divides internally in the rati...

    Text Solution

    |

  13. Let A(1,-1,2) and B(2,3-1) be two points. If a point P divides AB inte...

    Text Solution

    |

  14. If z1 and z2 are z co-ordinates of the point of trisection of the seg...

    Text Solution

    |

  15. If the position vector of a point A is vec a + 2 vec b and vec a divi...

    Text Solution

    |

  16. Assertion (A): If (-1,3,2) and (5,3,2) are respectively the orthocentr...

    Text Solution

    |

  17. If the orthocentre and centroid of a triangle are (-3,5,2) and (3,3,4)...

    Text Solution

    |

  18. L and M are two points with position vectors 2vec(a)-vec(b)andvec(a)+2...

    Text Solution

    |

  19. The position vector of a point R which divides the line joining two po...

    Text Solution

    |

  20. If 3barP+2barR-5barQ=bar0, then

    Text Solution

    |