Home
Class 12
MATHS
In a regular hexagon A B C D E F ,\ A ve...

In a regular hexagon `A B C D E F ,\ A vec B=a ,\ B vec C= vec b\ a n d\ vec C D=c` Then\ `vec A E=`
a.` vec a+ vec b+ vec c` b. `2 vec a+ vec b+ vec c` c. ` vec b+ vec c` d. ` vec a+2 vec b+2 vec c`

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • ALGEBRA OF MATRICES

    RD SHARMA ENGLISH|Exercise All Questions|410 Videos
  • APPLICATION OF INTEGRALS

    RD SHARMA ENGLISH|Exercise All Questions|163 Videos

Similar Questions

Explore conceptually related problems

Prove that [ vec a , vec b , vec c+ vec d]=[ vec a , vec b , vec c]+[ vec a , vec b , vec d]

( vec a+2 vec b- vec c)dot{( vec a- vec b)xx( vec a- vec b- vec c)} is equal to [ vec a\ vec b\ vec c] b. c. 2[ vec a\ vec b\ vec c] d. 3[ vec a\ vec b\ vec c]

( vec a+ vec b)dot( vec b+ vec c)xx( vec a+ vec b+ vec c)= [ vec a\ vec b\ vec c] b. "\ "0"\ " c. 2[ vec a\ vec b\ vec c] d. -[ vec a\ vec b\ vec c]

Given vec a=x hat i+y hat j+2 hat k , vec b= hat i- hat j+ hat k , vec c= hat i+2 hat j ; vec a_|_ vec b , vec adot vec c=4. Then [ vec a vec b vec c]^2=| vec a| b. [ vec a vec b vec c]^=| vec a| c. [ vec a vec b vec c]^=0 d. [ vec a vec b vec c]^=| vec a|^2

A B C D E is pentagon, prove that vec A B + vec B C + vec C D + vec D E+ vec E A = vec0 vec A B+ vec A E+ vec B C+ vec D C+ vec E D+ vec A C=3 vec A C

A B C D E is pentagon, prove that vec A B + vec B C + vec C D + vec D E+ vec E A = vec0 vec A B+ vec A E+ vec B C+ vec D C+ vec E D+ vec A C=3 vec A C

If vec adot vec b= vec adot vec c\ a n d\ vec axx vec b= vec axx vec c ,\ vec a!=0, then

If vec a ,\ vec b ,\ vec c are three vectors such that vec a. vec b= vec a.\ vec c and vec a\ xx\ vec b= vec a\ xx\ vec c ,\ vec a\ !=0 , then show that vec b= vec c .

If vec a , vec b , vec ca n d vec d are distinct vectors such that vec axx vec c= vec bxx vec da n d vec axx vec b= vec cxx vec d , prove that ( vec a- vec d). (vec b- vec c)!=0,

Prove that [[ vec a+ vec b, vec b+ vec c, vec c+ vec a]]=2[ [vec a, vec b, vec c]]dot

RD SHARMA ENGLISH-ALGEBRA OF VECTORS-All Questions
  1. Find a vector vec a of magnitude 5sqrt(2) making an angle of pi/4 wit...

    Text Solution

    |

  2. Write a unit vector in the direction of vec P Q ,\ w h e r e\ P\ a n ...

    Text Solution

    |

  3. Find a vector in the direction of vector 2 hat i-3 hat j+6 hat k which...

    Text Solution

    |

  4. It | vec a|=4\ and-3lt=lambdalt=2, then write the range fo lambda |vec...

    Text Solution

    |

  5. In a triangle OAC, if B is the mid point of side AC and vec O A= vec ...

    Text Solution

    |

  6. If in a "Delta"A B C ,\ A=(0,0),\ B=(3,3sqrt(3)), C-=(-3sqrt(3),3) the...

    Text Solution

    |

  7. If vec a ,\ vec b are the vectors forming consecutive sides of a reg...

    Text Solution

    |

  8. Evaluate int\tan^2x\dx

    Text Solution

    |

  9. If points A(60 hat i+3 hat j),\ B(40 hat i-8 hat j)a n d\ C(a hat i-52...

    Text Solution

    |

  10. If G is the intersection of diagonals of a parallelogram A B C D and O...

    Text Solution

    |

  11. The vector cosalpha\ cosbeta hat i+cosalpha\ sinbeta hat j+sinalpha ha...

    Text Solution

    |

  12. In a regular hexagon A B C D E F ,\ A vec B=a ,\ B vec C= vec b\ a n d...

    Text Solution

    |

  13. The vector equation of the plane passing through vec a ,\ vec b , ve...

    Text Solution

    |

  14. If O\ a n d\ O^(prime) are circumcentre and orthocentre of \ A B C ,\ ...

    Text Solution

    |

  15. If vec a ,\ vec b ,\ vec c and vec d are the position vectors of p...

    Text Solution

    |

  16. Let G be the centroid of triangle\ A B Cdot If vec A B= vec a ,\ ve...

    Text Solution

    |

  17. If A B C D E F is a regular hexagon, them vec A D+ vec E B+ vec F C e...

    Text Solution

    |

  18. The position vectors of the points A ,\ B ,\ C are 2 hat i+ hat j- hat...

    Text Solution

    |

  19. If three points A ,\ B ,\ a n d\ C have position vectors hat i+x hat ...

    Text Solution

    |

  20. A B C D isa parallelogram with A C\ a n d\ B D as diagonals. Then, ve...

    Text Solution

    |