Home
Class 12
MATHS
If absveca=2,absvecb=3 and theta is the ...

If `absveca=2`,`absvecb=3` and `theta` is the angle between `veca` and `vecb`. Then the maximum value of `veca.vecb` occurs when` theta`=.....a)`pi/2` b)`pi` c)0 d)`pi/4`

A

`pi/2`

B

`pi`

C

0

D

`pi/4`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    BODY BOOKS PUBLICATION|Exercise EXERCISE|8 Videos

  • RELATIONS AND FUNCTIONS

    BODY BOOKS PUBLICATION|Exercise EXERCISE|10 Videos

Similar Questions

Explore conceptually related problems

Let veca=2i-j+2k and vecb=6i+2j+3k Find the angle between veca and vecb .

If theta is the angle between any two vectors veca and vecb , then |veca.vecb|=|veca xx vecb| when theta is equal to a)0 b) pi/4 c) pi/2 d) pi

If veca=hati+hatj-hatk,vecb=2hati+3hatj+hatk and theta is the angle between them, then tantheta =

If |veca| =2 , vecb =2 hati - hatj -3hatk and the angel between veca and vecb is (pi)/(4) then veca.vecb is equal to

The angle between the vectors veca and vecb such that absveca=absvecb=sqrt2 and veca.vecb=1 is

If veca,vecb,veca+vecb are unit vectors, then prove that the angle between veca and vecb is (2pi)/(3)

Consider the vectors veca=i-7j+7k,vecb=3i-2j+2k .Find the angle between veca and vecb .

BODY BOOKS PUBLICATION-QUESTION PAPER 2020-EXERCISE
  1. Let A=[a(ij)](2times3) where a(ij=i+j. construct A.

    Text Solution

    |

  2. Let A=[a(ij)](2times3) where a(ij=i+j. construct A.Find AA' and hence ...

    Text Solution

    |

  3. For any square matrix A,prove that A+A' is symmetric.

    Text Solution

    |

  4. If A is a skew symmetric matrix of order 3. Then prove that it's deter...

    Text Solution

    |

  5. Given abs [[2+x,3,4],[1,-1,2],[x,1,5]] is a singular matrix. Find the ...

    Text Solution

    |

  6. Given A and B are square matrices of order 2 such that absA=-1, absB=3...

    Text Solution

    |

  7. Find the intervals in which the function f(x)=x^2+2x-5 strictly increa...

    Text Solution

    |

  8. Find the equation of tangents and normals to the given curves y=x^3 at...

    Text Solution

    |

  9. Find local maximum and local minimum if any for the function. h(x)=sin...

    Text Solution

    |

  10. Integrate the following intfrac(dx)(1+x^2/4)

    Text Solution

    |

  11. Integrate the following intfrac(x)((x-1)(x-2))dx

    Text Solution

    |

  12. Integrate the following int0^fracpi2xcosxdx

    Text Solution

    |

  13. If veca,vecb,vecc are three coplanar vectors, then [vecavecbvecc] is

    Text Solution

    |

  14. If absveca=2,absvecb=3 and theta is the angle between veca and vecb. T...

    Text Solution

    |

  15. If vecb=2hati+hatj-hatk,vecc=hati+3hatk and veca is a unit vector. Fin...

    Text Solution

    |

  16. Solve the linear programming problem graphically: Max: z=3x+2y Su...

    Text Solution

    |

  17. The probability distribution of a random variable X is given in the fo...

    Text Solution

    |

  18. The probability distribution of a random variable X is given in the fo...

    Text Solution

    |

  19. The probability distribution of a random variable X in given in the fo...

    Text Solution

    |

  20. The probability distribution of a random variable X is given in the fo...

    Text Solution

    |