Home
Class 12
MATHS
In triangle ABC (Figure), which of the ...

In triangle ABC (Figure), which of the following is not true:
`(A) vec(AB)+ vec(BC)+ vec(CA)=vec0`
`(B) vec(AB)+ vec(BC)- vec(AC) =vec0`
`(C) vec(AB)+ vec(BC)- vec(CA)=vec0`
`(D) vec(AB)+ vec(CB)+ vec(CA)=vec0`

Text Solution

Verified by Experts

Wrong Questions
Promotional Banner

Topper's Solved these Questions

  • VECTOR ALGEBRA

    NCERT ENGLISH|Exercise EXERCISE 10.3|18 Videos

  • VECTOR ALGEBRA

    NCERT ENGLISH|Exercise EXERCISE 10.1|5 Videos

  • VECTOR ALGEBRA

    NCERT ENGLISH|Exercise Exercise 10.4|10 Videos

  • THREE DIMENSIONAL GEOMETRY

    NCERT ENGLISH|Exercise EXERCISE 11.3|14 Videos

Similar Questions

Explore conceptually related problems

If vec(A)+vec(B)+vec(C )=0 then vec(A)xx vec(B) is

If C is the mid point of AB and P is any point outside AB then (A) vec(PA)+vec(PB)+vec(PC)=0 (B) vec(PA)+vec(PB)+2vec(PC)=vec0 (C) vec(PA)+vec(PB)=vec(PC) (D) vec(PA)+vec(PB)=2vec(PC)

If C is the mid point of AB and P is any point outside AB then (A) vec(PA)+vec(PB)+vec(PC)=0 (B) vec(PA)+vec(PB)+2vec(PC)=vec0 (C) vec(PA)+vec(PB)=vec(PC) (D) vec(PA)+vec(PB)=2vec(PC)

If C is the mid point of AB and P is any point outside AB then (A) vec(PA)+vec(PB)+vec(PC)=0 (B) vec(PA)+vec(PB)+2vec(PC)=vec0 (C) vec(PA)+vec(PB)=vec(PC) (D) vec(PA)+vec(PB)=2vec(PC)

Show that the scalar vec(A)*(vec(B)+vec(C)) times (vec(A)+vec(B)+vec(C))=0 .

If vec( A) + vec(B) =vec( C ) , and | vec(A)| =2 | vec( B) | and vec( B). vec( C ) = 0 , then

If ABCDE is a pentagon, then vec(AB) + vec(AE) + vec(BC) + vec(DC) + vec(ED) + vec(AC) is equal to

If vec(a).vec(b)=0 and vec(a) xx vec(b)=0, " prove that " vec(a)= vec(0) or vec(b)=vec(0) .

State whether the following relations are true or false (1) vec(AB)=vec(BA) (2) vec(AB)=-vec(BA) (3) |vec(AB)|=|vec(BA)| (4) |vec(AB)|=|-vec(AB)| (5) hatj=hatk (6) |hatj|=|hatk|

If ABCD is a quadrilateral, then vec(BA) + vec(BC)+vec(CD) + vec(DA)=

NCERT ENGLISH-VECTOR ALGEBRA-EXERCISE 10.2
  1. If vec aand vec bare two collinear vectors, then which of the foll...

    Text Solution

    |

  2. In triangle ABC (Figure), which of the following is not true: (A) ...

    Text Solution

    |

  3. Show that the vectors 2 hat i-3 hat j+4 hat kand -4 hat i+6 hat j-8 h...

    Text Solution

    |

  4. Find a vector in the direction of vector 5 hat i- hat j+2 hat kwhich ...

    Text Solution

    |

  5. Find the direction cosines of the vector joining the points A(1, 2, 3...

    Text Solution

    |

  6. Find the direction cosines of the vector hat i+2 hat j+3 hat k.

    Text Solution

    |

  7. Find the position vector of a point R which divides the line joining ...

    Text Solution

    |

  8. Show that the vector hat i+ hat j+ hat k is equally inclined to the ...

    Text Solution

    |

  9. Show that the points A, B and C with position vectors, veca=3 hat i-...

    Text Solution

    |

  10. Find the position vector of the mid point of the vector joining the p...

    Text Solution

    |

  11. Find the unit vector in the direction of vector vec(PQ), where P an...

    Text Solution

    |

  12. For given vectors, -> a=2 hat i- hat j+2 hat kand -> b=- hat i+ hat...

    Text Solution

    |

  13. Write two different vectors having same magnitude.

    Text Solution

    |

  14. Write two different vectors having same direction.

    Text Solution

    |

  15. Compute the magnitude of the following vectors: veca= hat i+ hat j+ h...

    Text Solution

    |

  16. Find the sum of the vectors -> a= hat i-2 hat j+ hat k , -> b=-2 hat...

    Text Solution

    |

  17. Find the unit vector in the direction of the vector veca= hat i+ ha...

    Text Solution

    |

  18. Find the values of x and y so that the vectors 2 hat i+3 hat jand x h...

    Text Solution

    |

  19. Find the scalar and vector components of the vector with initial poin...

    Text Solution

    |