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

In triangle ABC (Figure), which of the following is not true: (A) ` vec A B+ vecB C+ vecC A= vec0` (B) ` vecA B+ vecB C- vecA C= vec0` (C) ` vecA B+ vec B C- vec C A= vec0` (D) ` vecA B- vecC B+ vecC A= vec0`

Text Solution

Verified by Experts

Wrong Questions
Promotional Banner

Topper's Solved these Questions

  • VECTOR ALGEBRA

    NCERT|Exercise MISCELLANEOUS EXERCISE|19 Videos

  • VECTOR ALGEBRA

    NCERT|Exercise EXERCISE 10.3|18 Videos

  • VECTOR ALGEBRA

    NCERT|Exercise SOLVED EXAMPLES|36 Videos

  • THREE DIMENSIONAL GEOMETRY

    NCERT|Exercise QUESTION|1 Videos

Similar Questions

Explore conceptually related problems

If vecA + vecB + vecC = vec0 , then vecA.(vecB xx vecC) = ……….

A B C D E is pentagon, prove that vec A B + vec B C + vec C D + vec D E+ vec E A = vec0 vec A B+ vec A E+ vec B C+ vec D C+ vec E D+ vec A C=3 vec A C

If veca + 2 vecb + 3 vecc = vec0 " then " veca xx vecb + vecb xx vecc + vecc xx veca=

What is the property of two vectores vec A and vec B if: (A) |vecA + vecB|= |vecA - vecB| (b) vecA + vecB = vecA - vecB

If vec A, vec B and vec C are vectors such that | vec B | - | vec C | * Prove [(vec A + vec B) xx (vec A + vec C)] xx (vec B + vec C) * (case B + case C) = 0

If vecA xx vecB= vec0 and vecB xx vecC=vec0 , then the angle between vecA and vecC may be :

if veca xx vecb = vecc.vecb xx vecc = veca , " where " vecc ne vec0 then

if veca xx vecb = vecc.vecb xx vecc = veca , " where " vecc ne vec0 then

If |veca| = 1, |vec b| = 2, |vec c| = 3 and vec a +vec b +vec c = 0 , then the value of vec a * vec b +vec b. vec c +vec c* vec a equals

veca , vec b , vec c are non-coplanar vectors and x vec a + y vec b + z vec c = vec 0 then

NCERT-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) v...

    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 kis equally inclined to the a...

    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, veca=2 hat i- hat j+2 hat k and vecb=- hat i+ ha...

    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: vec a= hat i+ hat j+ ...

    Text Solution

    |

  16. Find the sum of the vectors veca= hat i-2 hat j+ hat k , vecb=-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

    |