Home
Class 12
MATHS
Let vec(a) and vec(b) be the two unit ve...

Let `vec(a)` and `vec(b)` be the two unit vectors such that angle between them is `60^@`. Then `|vec(a)-vec(b)|` is equal to: (a) `sqrt(5)` (b) `sqrt(3)` (c) 0 (d) 1 (e) `sqrt(2)`

A

`sqrt5`

B

`sqrt3`

C

0

D

1

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • PRACTICE SET 20

    MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS|Exercise PAPER 2 (Mathematics)|49 Videos

  • PRACTICE SET 22

    MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS|Exercise Mathematics|50 Videos

Similar Questions

Explore conceptually related problems

Let vec a and vec b be the two unit vectors such that angle between them is 60^(@). Then |vec a-vec b| is equal to: (a) sqrt(5)(b)sqrt(3)(c)0(d)1 (e) sqrt(2)

Let vec a and vec b be the two unit vectors such that angle between them is 60^(@). Then |vec a-vec b| is equal to: (a) sqrt(5)(b)sqrt(3)(c)0(d)1 (e) sqrt(2)

Let vec(a) and vec(b) be two unit vectors and theta is the angle between them. Then vec(a)+vec(b) is a unit vector if :

If vec a and vec b are two unit vectors and the angle between them is 60^@ then ((1+vec a.vec b))/((1-vec a.vec b)) is

Let vec(a) and vec(b) be two given vectors such that |vec(a)|=3, |vec(b)|=4 and the angle between them is 60^(@) . Find vec(a).vec(b) .

If vec a,vec b are two unit vectors such that |vec a+vec b|=2sqrt(3) ,then the angle b

If vec a and vec b are unit vectors and 60^(@) is the angle between them,then (2vec a-3vec b)*(4vec a+vec b) equals

Let vec(a) and vec(b) be two unit vectors and α be the angle between them. If (vec(a) + vec(b)) is also the unit vectors, then what is the value of α ?

Let vec a and vec b be two vectors of the same magnitude such that the angle between then is 60^(0) and vec avec b=8. Find |vec a| and |vec b|

Let vec a , vec b , vec c be the three unit vectors such that vec a+5 vec b+3 vec c= vec0 , then vec a. ( vec bxx vec c) is equal to

MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-PRACTICE SET 21-PAPER 2 (MATHEMATICS)
  1. Which of the following is a contradiction ?

    Text Solution

    |

  2. Inverse of the matrix [{:(cos 2 theta, -sin 2 theta),(sin 2 theta, cos...

    Text Solution

    |

  3. Let vec(a) and vec(b) be the two unit vectors such that angle between ...

    Text Solution

    |

  4. Which of the follwing statement is correct ?

    Text Solution

    |

  5. If x=A cos 4t+B sin4t, then (d^(2)x)/(dt^(2)) is equal to

    Text Solution

    |

  6. int32x^(3)(logx)^(2) dx is equal ot

    Text Solution

    |

  7. Solution of the differential equation x dy -y dx = 0 represents-

    Text Solution

    |

  8. Which of the following is correct ?

    Text Solution

    |

  9. The corresponding Boolena Expression is

    Text Solution

    |

  10. If f(x)=x+2," then "f'(f(x))" at "x=4, is

    Text Solution

    |

  11. The period of the function f(x)=|sin 2x|+|cos 8x| is

    Text Solution

    |

  12. The circle x^(2)+y^(2)-10x-14y+24=0 cuts an intercepts on y-axis of le...

    Text Solution

    |

  13. The number of solutions of the following equations x(2)-x(3)=1,-x(1)+2...

    Text Solution

    |

  14. Number of tangents from (7,6) to ellipse (x^(2))/(16)+(y^(2))/(25)=1 i...

    Text Solution

    |

  15. The maximum value of Z =x +3y such that 2x +y le 20, x +2y le 20, x g...

    Text Solution

    |

  16. Which of the following statements is not correct for the R by aRb if a...

    Text Solution

    |

  17. if 2^x+2^y=2^(x+y) then the value of (dy)/(dx) at x=y=1

    Text Solution

    |

  18. Let f be a function defined for all x in R. If f is differentiable and...

    Text Solution

    |

  19. int x^(2) sin x dx is equal to

    Text Solution

    |

  20. The solution of the differential equation ye^(x//y)dx=(xe^(x//y)+y^(...

    Text Solution

    |