Home
Class 12
MATHS
If veca+vecb+vecc=vec0 and |veca|=3,|vec...

If `veca+vecb+vecc=vec0` and `|veca|=3,|vecb|=5,|vecc|=7`, show that the angle between `veca` and `vecb` is `60^(@)`

Promotional Banner

Topper's Solved these Questions

  • VECTOR ALGEBRA

    ACCURATE PUBLICATION|Exercise QUESTIONS CARRYING 1 MARK (TYPE - III : TRUE RO FALSE QUESTIONS)|15 Videos

  • THREE DIMENSIONAL GEOMETRY

    ACCURATE PUBLICATION|Exercise QUESTIONS CARRYING 6 MARKS:|56 Videos

Similar Questions

Explore conceptually related problems

If veca+vecb+vecc=vec0 and |veca|=3,|vecb|=5 , and |vecc|=7 , find the angle between veca and vecb .

If veca+vecb+vecc=vec0, |veca|=3,|vecb|=5 and |vecc|=7 , find the angle between veca and vecb .

If |veca*vecb|=|vecaxxvecb| , then the angle between veca and vecb is :

If veca+vecb+vecc=vec0, |veca| = 3, |vecb| = 5, |vecc| = 7 , then angle between veca and vecb is : a. (pi)/(2) b. (pi)/(3) c. (pi)/4 d. (pi)/(6)

If |veca*vecb|=|vecaxxvecb| ,then angle between veca and vecb is :

Three vectors veca,vecb,vecc are such that vecaxxvecb= 3(vecaxxvecc) Also |veca|=|vecb|=1, |vecc|=1/3 If the angle between vecb and vecc is 60^@ then

If |veca|=2,|vecb|=7 and veca.vecb = 7, then angle between veca and vecb equals to ,

If |veca|=2,|vecb|=5 and veca.vecb = 5, then angle between veca and vecb equals to ,

If veca + vecb + vecc = 0 and |veca|=3,|vecb|= 5,|vecc|=7,then find the value of veca.vecb + vecb.vecc + vecc.veca .

ACCURATE PUBLICATION-VECTOR ALGEBRA-QUESTIONS CARRYING 2 MARKS
  1. Let veca=hati+4hatj+2hatk,vecb=3hati-2hatj+7hatk and vecc=2hati-hatj+4...

    Text Solution

    |

  2. Dot product of a vector with vectors hati-hatj+hatk,2hatk+hatj+3hatk a...

    Text Solution

    |

  3. If veca+vecb+vecc=vec0 and |veca|=3,|vecb|=5,|vecc|=7, show that the a...

    Text Solution

    |

  4. If veca, vecb, vecc are mutually perpendicular vectors of equal magnit...

    Text Solution

    |

  5. If veca, vecb, vecc are mutually perpendicular vectors of equal magnit...

    Text Solution

    |

  6. If veca,vecb,vecc are three vectors such that : |veca|=5,|vecb|=12 and...

    Text Solution

    |

  7. If with reference to the right handed system of mutually perpendicular...

    Text Solution

    |

  8. Using vectors, prove that a parallelogram whose diagonals are equal is...

    Text Solution

    |

  9. For any vector veca the value of (vecaxxhati)^(2)+(vecaxxhatj)^(2)+(ve...

    Text Solution

    |

  10. Find a unit vector perpendicular to the plane of triangle ABC where th...

    Text Solution

    |

  11. Find a unit vector perpendicular to each of the vectors (veca+vecb) an...

    Text Solution

    |

  12. Find a vector of magnitude sqrt(171), which is perpendicular to both o...

    Text Solution

    |

  13. Find a vector of magnitude 5 units, perpendicular to each of the vecto...

    Text Solution

    |

  14. Find the area of a parallelogram whose adjacent sides are represented ...

    Text Solution

    |

  15. If veca=2hati-3hatj+hatk, vecb=hati+hatk, vecc=2hatj-hatk are three ve...

    Text Solution

    |

  16. With help of vectors find the area of the triangle with vertices A(2,3...

    Text Solution

    |

  17. Using vectors find the area of the triange ABC with vertices A(1,2,3),...

    Text Solution

    |

  18. If vecaxxvecb=veccxxvecdand vecaxxvecc=vecbxxvecd, show that veca-vecd...

    Text Solution

    |

  19. If veca=hati+hatj+hatk and vecb=hatj-hatk, find a vector vecc such tha...

    Text Solution

    |

  20. Let veca=hati+4hatj+2hatk,vecb=3hati-2hatj+7hatk and vecc=2hati-hatj+4...

    Text Solution

    |