Home
Class 12
MATHS
ABCD is parallelogram. If L and M are th...

`ABCD` is parallelogram. If `L and M` are the middle points of BC and CD, then `bar(AL)+bar(AM)` equals

A

`1/2bar(AC)`

B

`3/2bar(AC)`

C

`bar(AC)`

D

2 `bar(AC)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • VECTORS

    MARVEL PUBLICATION|Exercise PREVIOUS YEARS MHT-CET EXAM QUESTIONS|10 Videos
  • VECTORS

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP|20 Videos
  • TRIGONOMETRIC FUNCTIONS

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP: CHAPTER 3-3.3|13 Videos

Similar Questions

Explore conceptually related problems

ABCD is a parallelogram If M and N are the midpoints of BC and DC respectively,If bar(AM)+bar(AN)=lambda(bar(AC)) then value of lambda

ABCD is a parallelogram.If L and M are the mid-points of BC and DC respectively,then express vec AL and vec AM in terms of vec AB and vec AD Also,prove that vec AL+vec AM=(3)/(2)vec AC .

In the given figure, ABCD is a parallelogram and M, N are the mid-points of AB and CD. The value of theta is

ABCD is a parallelogram, E and F are the mid-points of BC and CD. Find the ratio of area of parallelogram ABCD and DeltaAEF

ABCD is a parallelogram. X and Y are mid-points of BC and CD. Prove that ar(triangleAXY)=3/8ar(||^[gm] ABCD)

ABCD is a parallelogram. P and Q are mid points of BC & CD. Find the area of DeltaAPQ if area of DeltaABC is 12.

Let ABC be a triangle. Three points D, E and F are on the sides AB, AC and BC respectively so that BDEF is a parallelogram. M and N are mid points of the sides DE and EF. If vector bar(MN)=(1)/(4)bar(AC) . Then find the ratio in which D and F divides the sides AB and BC.

In the given figure ABCD is a parallelogram in which AB||CD and E and F are the mid points of AB and BC respectively. What is the area of angleBEF ?

ABCD is a parallelogram.L and M are points on AB and DC respectively and AL=CM. prove that LM and BD bisect each other.

MARVEL PUBLICATION-VECTORS-TEST YOUR GRASP
  1. ABCD is parallelogram. If L and M are the middle points of BC and CD, ...

    Text Solution

    |

  2. If ABCDEF is a regular hexagon , then bar(AB) + bar(AC) + bar(AE) + ...

    Text Solution

    |

  3. If the origin is the centroid of a triangle ABC having vertices A(a ,1...

    Text Solution

    |

  4. If alpha,beta ,gamma are direction angles of a line , then cos 2alpha ...

    Text Solution

    |

  5. If |bar(u)| = sqrt(3) and bar(u) is equally inclined to co - ordinate...

    Text Solution

    |

  6. If vectors 2i-j+k,i+2j-3k and 3i+aj+5k are coplaner, then a=

    Text Solution

    |

  7. If bara.i = 4, then bara.[j xx (2j - 3k)]=

    Text Solution

    |

  8. The vector bar(AB)=3hati+4hatk and bar(AC)=5hati-2hatj+4hatk are the s...

    Text Solution

    |

  9. If veca vecb are non zero and non collinear vectors, then [(veca, vecb...

    Text Solution

    |

  10. If bara,barb,barc are non-coplaner vectors and barp=(barbxxbarc)/([bar...

    Text Solution

    |

  11. If direction ratios of two lines are 2,-6,-3 and 4,3,-1 then directi...

    Text Solution

    |

  12. If the volumes of parallelepiped with coterminus edges -pj+5k,i-j+qk a...

    Text Solution

    |

  13. A line makes 45^(@) with OX, and equal angles with OY and OZ. Then the...

    Text Solution

    |

  14. If the points with position vectors -i + 3j + 2k , -4i + 2j - 2k and 5...

    Text Solution

    |

  15. If bara.barb=barb.barc=barc.bara=0 and bara,barb,barc form a right-han...

    Text Solution

    |

  16. If bara,barb,barc are non-coplaner vectors, then (bara.(barbxxbarc))/...

    Text Solution

    |

  17. i · (j xx k) + j · (k xx i) + k · (i xx j ) =

    Text Solution

    |

  18. If bara=2i+3j-k,barb=-i+2j-4k and barc=i+j+k, then (baraxxbarb).(barax...

    Text Solution

    |

  19. If vectors 2hati-hatj+hatk ,hati+2hatj-3hatk and 3hati+mhatj+5hatk are...

    Text Solution

    |

  20. 2i · (j xx k) - 3j · (i xx k) - 4k · (i xx j) =

    Text Solution

    |

  21. If vectors bara,barb,barc are non-coplaner, then ([bara+2barb barb+2...

    Text Solution

    |