Home
Class 12
MATHS
If vec a\ a n d\ vec b are two vectors...

If ` vec a\ a n d\ vec b` are two vectors such that `| vec a|=4,\ | vec b|=3\ a n d\ vec adot vec b=6.` Find the angle between ` vec a\ a n d\ vec bdot`

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • RELATIONS

    RD SHARMA ENGLISH|Exercise All Questions|197 Videos
  • SCALAR TRIPLE PRODUCT

    RD SHARMA ENGLISH|Exercise All Questions|76 Videos

Similar Questions

Explore conceptually related problems

If vec a\ a n d\ vec b are two vectors such that | vec axx vec b|=3\ a n d\ vec adot vec b=1, find the angle between vec a\ a n d\ vec b .

If vec a and vec b are two vectors such that | vec a|=4,| vec b|=3 and vec a . vec b=6 . Find the angle between vec a and vec b .

Vectors vec a\ a n d\ vec b are such that | vec a|=3,\ | vec b|=2/3a n d\ ( vec axx vec b) is a unit vector. Write the angle between vec a\ a n d\ vec bdot

If | vec a|=8,| vec b|=3 and | vec a x vec b|=12 , find the angle between vec a and vec bdot

If vec a\ a n d\ vec b are two vectors such that ( vec a+ vec b)dot( vec a- vec b)=0 find the relation between the magnitudes of vec a\ a n d\ vec bdot

Find | vec a- vec b|,\ if:| vec a|=2,\ | vec b|=3\ a n d\ vec adot vec b=4

If | vec a|=2,\ | vec b|=3\ a n d\ vec adot vec b=3 find the projection of vec b\ on\ vec adot

If | vec a|+| vec b|=| vec c| and vec a+ vec b= vec c , then find the angle between vec a and vec bdot

If vec a\ a n d\ vec b are two vectors such that vec adot vec b=6,\ | vec a|=3\ a n d\ | vec b|=4. Write the projection of vec a\ on\ vec bdot

Find | vec a- vec b|,\ if:| vec a|=3,\ | vec b|=4\ a n d\ vec adot vec b=1

RD SHARMA ENGLISH-SCALAR OR DOT PRODUCT-All Questions
  1. For what value of lambda are the vector vec a\ a n d\ vec b perpendi...

    Text Solution

    |

  2. For what value of lambda are the vector vec a\ a n d\ vec b perpendi...

    Text Solution

    |

  3. If vec a\ a n d\ vec b are two vectors such that | vec a|=4,\ | vec ...

    Text Solution

    |

  4. If vec a= i- j and vec b=- j+2k ,find (vec a-2 vec b)dot( vec a+ v...

    Text Solution

    |

  5. Find the angle between the vectors vec a\ a n d\ vec b where: vec a...

    Text Solution

    |

  6. Find the angle between the vectors vec a\ a n d\ vec b where: vec a...

    Text Solution

    |

  7. Find the angle between the vectors vec a\ a n d\ vec b where: vec a...

    Text Solution

    |

  8. Find the angle between the vectors vec a\ a n d\ vec b where: vec a...

    Text Solution

    |

  9. Find the angle between the vectors vec a\ a n d\ vec b where: vec a...

    Text Solution

    |

  10. Find the angle between the vectors vec a\ a n d\ vec b where: vec a...

    Text Solution

    |

  11. Find the angles which the vector vec a= hat i- hat j+sqrt(2) hat k ma...

    Text Solution

    |

  12. Dot product of a vector with hat i+ hat j-3 hat k ,\ hat i+3 hat j-2...

    Text Solution

    |

  13. Dot products of a vector with vectors hat i- hat j+ hat k ,\ 2 hat i+...

    Text Solution

    |

  14. If hat a\ a n d\ hat b are unit vectors inclined at an angle theta t...

    Text Solution

    |

  15. If the sum of two unit vectors is a unit vector prove that the magni...

    Text Solution

    |

  16. If vec a ,\ vec b ,\ vec c are three mutually perpendicular unit ve...

    Text Solution

    |

  17. If | vec a+ vec b|=60 ,\ | vec a- vec b|=40\ | vec b|=46 , \ Then fin...

    Text Solution

    |

  18. Show that the vector hat i+ hat j+ hat k is equally inclined with the...

    Text Solution

    |

  19. Show that the vector vec a=1/7(2 hat i+3 hat j+6 hat k),\ vec b=1/7(...

    Text Solution

    |

  20. For any tow vectors a\ a n d\ b show that ( vec a+ vec b) ( vec a- vec...

    Text Solution

    |