Home
Class 12
MATHS
If | vec a|=13 ,\ | vec b|=5\ a n d\ ve...

If `| vec a|=13 ,\ | vec b|=5\ a n d\ vec adot vec b=60` , t h e n find` | vec axx vec b|dot`

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 two vectors vec a\ a n d\ vec b are such that | vec a|=2,\ | vec b|=1\ a n d\ vec adot vec b=1, then find rthe value of (3 vec a-5 vec b)dot'(2 vec a+7 vec b)'dot

If | vec a|=10 ,\ | vec b|=2\ a n d\ | vec axx vec b|=16 find vec adot vec bdot

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\ 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

If | vec a|=2,\ | vec b|=5\ a n d\ | vec axx vec b|=8,\ find veca.vecb

If | vec a|=sqrt(26),\ | vec b|=7\ a n d\ | vec axx vec b|=35 ,find vec adot vec bdot

If | vec a|=2,| vec b|=5a n d vec adot vec b=0, then vec a x ( vec ax( vec ax( vec ax( vec a x( vec ax vec b))))) is equal to 64 vec a (b) 64 vec b (c) -64 vec b (d) -64 vec a

If | vec a|=2| vec b|=5 and | vec axx vec b|=8, then find the value of vec a . vec bdot

Given | vec a|=10 ,| vec b|=2 "and" vecadot vec b=12 ,"find"| vec axx vec b|dot

If two vectors vec a and vec b are such that | vec a|=2,| vec b|=1 and vec adot vec b=1 , find (3 vec a-5 vec b)dot(2 vec a+7 vec b)dot

RD SHARMA ENGLISH-SCALAR OR DOT PRODUCT-All Questions
  1. If vec b is a unit vector such that ( vec a+ vec b)dot ( (vec a- vec ...

    Text Solution

    |

  2. If hat a ,\ hat b are unit vector such that\ hat a+ hat b is a unit...

    Text Solution

    |

  3. If | vec a|=13 ,\ | vec b|=5\ a n d\ vec adot vec b=60 , t h e n find...

    Text Solution

    |

  4. If vec a= hat i- hat j\ a n d\ vec b=- hat j+ hat k find the project...

    Text Solution

    |

  5. For any two non zero vectors write the value of (| vec a+ vec b|^2+| v...

    Text Solution

    |

  6. Write the the projections of vec r=3 hat i-4 hat j+12 hat k on the co...

    Text Solution

    |

  7. Writhe the component of vec b along vec adot

    Text Solution

    |

  8. Writhe the value of ( vec adot hat i) hat i+( vec adot hat j) hat j+( ...

    Text Solution

    |

  9. Find the value of theta(0,pi//2) for which vectors vec a=(sintheta) ...

    Text Solution

    |

  10. Write the projection of hat i+ hat j+ hat k along the vector hat jdo...

    Text Solution

    |

  11. Writhe a vector satisfying vec adot hat i= vec adot( hat i+ hat j)= v...

    Text Solution

    |

  12. Find dy/dx if y=e^(3x)

    Text Solution

    |

  13. If vec a\ a n d\ vec b\ a n d\ vec c are mutually perpendicular uni...

    Text Solution

    |

  14. If vec a\ a n d\ vec b are mutually perpendicular unit vectors, writ...

    Text Solution

    |

  15. Find the angle between the vectors vec a= hat i- hat j+ hat k\ a n ...

    Text Solution

    |

  16. For what value of lambda are the vector vec a=2 hat i+lambda hat j+ h...

    Text Solution

    |

  17. Write the value of p for which vec a=3 hat i+2 hat j+9 hat k\ a n d\ ...

    Text Solution

    |

  18. Find the value of lambdadot If the vectors 2 hat i+lambda hat j+3 hat ...

    Text Solution

    |

  19. If | vec a|=2,\ | vec b|=3\ a n d\ vec adot vec b=3 find the projecti...

    Text Solution

    |

  20. Writhe the angle between two vectors vec a\ a n d\ vec b"\ " with ma...

    Text Solution

    |