Home
Class 11
MATHS
If bara+barb+barc=bar0 and absbara=3, ab...

If `bara+barb+barc=bar0 and absbara=3, absbarb = 4, absbarc =sqrt37, " then " (bara,barb)` =

A

`pi/4`

B

`pi/2`

C

`pi/6`

D

`pi/3`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • DOT PRODUCT OF TWO VECTORS

    AAKASH SERIES|Exercise PRACTICE EXERCISE|57 Videos

  • DOT PRODUCT OF TWO VECTORS

    AAKASH SERIES|Exercise EXERCISE - I|30 Videos

  • DIRECTION COSINES AND RATIOS

    AAKASH SERIES|Exercise ADVANCED SUBJECTIVE TYPE QUESTIONS|8 Videos

  • ERRORS AND APPROXIMATIONS

    AAKASH SERIES|Exercise ADVANCED SUBJECTIVE TYPE QUESTION|15 Videos

Similar Questions

Explore conceptually related problems

If bara.(barb+barc) = barb.(barc+bara) = barc.(bara+barb) =0 and absbara = 3, absbarb = 4, absbarc = 5 , " then " abs(bara+barb+barc) =

If absbara =3, absbarb = 4, and (bara-barb) = 5, " then " abs(bara+barb)=

The vectors bara,barb,barc " satisfy the condition " bara+barb+2barc=bar0. " If " absbara=1, absbarb =4, absbarc =2 , " then " bara.barb+barb.barc+barc.bara =

If, absbara = 3, absbarb = 4 abs(bara+barb) = 1 " ,then " abs(bara-barb) =

If absbara =3, absbarb = 4 and (bara,barb) = pi/2," then " abs(bara+barb)=

If absbara =2, absbarb =3, (bara,barb) = 120^(@), " then " bara.barb =

[bara barb barc]+[bara barc barb] =

If bara+barb+barc=bar0, absbara=3,absbarb=5 and absbarc=7, " then find the angle between " bara and barb .

If bara,barb,barc are three vectors such that absbara =1, absbarb = 2, absbarc =3 and bara+barb+barc = bar0 , then bara.barb+barb.barc+barc.bara =

If (bara+barb)botbara, absbarb =sqrt2 absbara , then

AAKASH SERIES-DOT PRODUCT OF TWO VECTORS-EXERCISE - II
  1. Find the cartesian equation of the plane through the point A (2,-1,-4)...

    Text Solution

    |

  2. The cartesian equation of the plane passing through (1,1,1) and contai...

    Text Solution

    |

  3. The vector equation of the plane through the point (1,1,-1) and passin...

    Text Solution

    |

  4. Let A = (bari-barj+3bark), B=(3bari+3barj+3bark) " be two points and "...

    Text Solution

    |

  5. Angle between the line barr = (-bari+3barj+3bark)+t(2bari+3barj+6bark)...

    Text Solution

    |

  6. If 3bari+4barj+5bark is P.V. of one end of a diameter of the sphere a...

    Text Solution

    |

  7. The force barF = 2bari+2barj-bark " acting at " bara =bari-2barj+bark ...

    Text Solution

    |

  8. A particle is acted upon by constant forces 4bari+barj-3bark and 3bari...

    Text Solution

    |

  9. Three forces having magnitudes 5,4 and 3 units act on a particle in th...

    Text Solution

    |

  10. Which of the following statements is are correct Statement -I : For ...

    Text Solution

    |

  11. If bar a and bar b are two unit vectors inclined at an angle alpha to ...

    Text Solution

    |

  12. Assertion (A) : bara,barb,barc and bard are the position vectors of fo...

    Text Solution

    |

  13. If a,b and c are vectors with magnitudes 2,3 and 4 respectively then t...

    Text Solution

    |

  14. If, absbara = 3, absbarb = 4 abs(bara+barb) = 1 " ,then " abs(bara-bar...

    Text Solution

    |

  15. If the vectors bara = (1,x,-2), barb = (x,3,-4) are mutually perpendic...

    Text Solution

    |

  16. If bara = -bari+2barj+3bark, barb = bari -2barj+bark, barc = 4bari-3ba...

    Text Solution

    |

  17. If 'theta' is an acute angle and the vector (sin theta)bari +(cos thet...

    Text Solution

    |

  18. If bara.(barb+barc) = barb.(barc+bara) = barc.(bara+barb) =0 and absba...

    Text Solution

    |

  19. If bara+barb+barc=bar0 and absbara=3, absbarb = 4, absbarc =sqrt37, " ...

    Text Solution

    |

  20. If the angle theta between the vectors bara = 2x^(2)bari +4xbarj+bark ...

    Text Solution

    |