Home
Class 12
MATHS
Show that each of the given three vecto...

Show that each of the given three vectors is a unit vector: `1/7(2 hat i+3 hat j+6 hat k),1/7(3 hat i-6 hat j+2 hat k),1/7(6 hat i+2 hat j-3 hat k)`Also, show that they are mutually perpendicular to each other.

Promotional Banner

Topper's Solved these Questions

  • VECTOR ALGEBRA

    MODERN PUBLICATION|Exercise Ncert File Question from Ncert Book (Exercise 10.4)|12 Videos
  • VECTOR ALGEBRA

    MODERN PUBLICATION|Exercise Ncert File Question from Ncert Book (Exercise 10.5)|7 Videos
  • VECTOR ALGEBRA

    MODERN PUBLICATION|Exercise Ncert File Question from Ncert Book (Exercise 10.2)|19 Videos
  • THREE DIMENSIONAL GEOMETRY

    MODERN PUBLICATION|Exercise CHAPTER TEST 11|11 Videos

Similar Questions

Explore conceptually related problems

Show that each of the given three vectors is a unit vector: (1)/(7)(2hat i+3hat j+6hat k),(1)/(7)(3hat i-6hat j+2hat k),(1)/(7)(6hat i+2hat j-3hat k) Also,show that they are mutually perpendicular to each other.

The vector vec a=(1)/(7)(2hat i+3hat j+6hat k),vec b=(1)/(7)(3hat i-6hat j+2hat k),vec c=(1)/(7)(6hat i+2hat j-3hat k) form

Show that the vectors vec a=(1)/(7)(2hat i+3hat j+6hat k),vec b=(1)/(7)(3hat i-6hat j+2hat k),vec c=(1)/(7)(6hat i+2hat j-3hat k) are mutually perpendicular unit vectors.

Show that the vector vec a=(1)/(7)(2hat i+3hat j+6hat k),vec b=(1)/(7)(3hat i-6hat j+2hat k),vec c=(1)/(7)(6hat i+2hat j-3hat k) are mutually perpendicular unit vectors.

12).Show that the vector hat i+hat j+hat k is equally inclined with the coordinate axes.( 13 show that the vectors vec a=(1)/(7)(2hat i+3hat j+6hat k),vec b=(1)/(7)(3hat i-6hat j+2hat k),vec c=(1)/(7)(6hat i+2hat j-3hat k) are mutually perpendicular unit vectors.

Show that each of the following triads of vectors are coplanar: vec a=hat i+2hat j-hat k,vec b=3hat i+2hat j+7hat k,vec c=5hat i+6hat j+5hat k

Show that each of the following triads of vectors are coplanar: vec a=-4hat i-6hat j-2hat k,vec b=-hat i+4hat j+3hat k,vec c=-8hat i-hat j+3hat k

The unit vector perpendicular to vec A = 2 hat i + 3 hat j + hat k and vec B = hat i - hat j + hat k is

Show that the points A(-2 hat i+3 hat j+5 hat k), B( hat i+2 hat j+3 hat k) and C(7 hat i-3 hat k) are collinear.

Find a unit vector parallel to the vector 3 hat i +7 hat j + 4 hat k .

MODERN PUBLICATION-VECTOR ALGEBRA -Ncert File Question from Ncert Book (Exercise 10.3)
  1. Find the angle between two vectors veca and vecb with magnitudes sqrt(...

    Text Solution

    |

  2. Find the angle between the vectors hat i-2 hat j+3 hat ka n d3 hat...

    Text Solution

    |

  3. Find the projection of the vector hat i- hat jon the vector hat i+ ...

    Text Solution

    |

  4. Find the projection of the vector hat i+3 hat j+7 hat kon the vector...

    Text Solution

    |

  5. Show that each of the given three vectors is a unit vector: 1/7(2 hat...

    Text Solution

    |

  6. find |veca|,|vecb| if (veca+vecb).(veca-vecb)=8 and |veca|=8|vecb|

    Text Solution

    |

  7. Evaluate the product (3vec(a)-5vec(b)).(2vec(a)+7vec(b)).

    Text Solution

    |

  8. Find the magnitude of two vectors vec a\ a n d\ vec b having the sam...

    Text Solution

    |

  9. Find |vec(x)|, if for a unit vector vec(a), (vec(x)-vec(a)).(vec(x)+ve...

    Text Solution

    |

  10. If vectors veca = 2hati + 2hatj +3hatk,vec b=-hati+2hatj+hatk and vec ...

    Text Solution

    |

  11. Show that |vec(a)|vec(b)+|vec(b)|vec(a) is perpendicular to |vec(a)|v...

    Text Solution

    |

  12. If vec a\ dot\ vec a=0 and vec a\ dot\ vec b=0, then what can be c...

    Text Solution

    |

  13. If vec a ,\ vec b ,\ vec c are unit vectors such that vec a+ vec b...

    Text Solution

    |

  14. If either vec a= vec0\ or\ vec b= vec0\ t h e n\ vec adot vec b= ve...

    Text Solution

    |

  15. If the vertices A,B,C of a triangle ABC are (1,2,3),(-1,0,0) ,(0,1,2) ...

    Text Solution

    |

  16. Show that the points A(1, 2, 7), B(2, 6, 3) and C(3, 10 , 1)are colli...

    Text Solution

    |

  17. Show that the points, A, B and C having position vectors (2hat(i)-hat(...

    Text Solution

    |

  18. If vec a is a non zero vector a magnitude ' a^(prime)\ a n d\ lambda ...

    Text Solution

    |