Home
Class 12
MATHS
Let vec a= hat i+4 hat j+2 hat k , vec ...

Let ` vec a= hat i+4 hat j+2 hat k , vec b=3 hat i-2 hat j+7 hat ka n d vec c=2 hat i- hat j+4 hat kdot` Find a vector ` vec d` which is perpendicular to both ` vec a` and `vec b` and `vec c. vec d=15.`

Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRIC RATIOS FOR COMPOUND, MULTIPLE, SUB-MULTIPLE ANGLES, AND TRANSFORMATION FORMULAS

    CENGAGE PUBLICATION|Exercise Multiple Correct Answers Type|6 Videos
  • VECTORS TRIPLE PRODUCTS, RECIPROCAL SYSTEM OF VECTORS

    CENGAGE PUBLICATION|Exercise DPP 2.4|20 Videos

Similar Questions

Explore conceptually related problems

answer any one question : (ii) let vec a= hat i+4 hat j+ 2hat k , vec b=3 hat i- 2 hat j +7 hat k and vec c= 2 hat i- hat j + 4 hat k . Find a vector vec d which is perpendicular to both the vectors vec a and vec b and vec c . vec d=18

Let vec a= hat i+2 hat j+ hat k , vec b= hat i- hat j+ hat ka n d vec c= hat i+ hat j- hat kdot Then find [vec a vec b vec c]

Let vec ( a) = hat (i) + 4 hat (j) + 2 hat (k), vec (b) = 3 hat(i) - 2 hat (j) - 7 hat (k) and vec (c ) = 2 hat (i) - hat (j) + 4 hat (k) . Find a vector vec (d) which is perpendicular to both vec (a) and vec (b) and vec ( c) . vec(d) = 18

If vec a=x hat i+y hat j+z hat k , vec b=y hat i+z hat j+x hat k and vec c=z hat i+x hat j+y hat k , then vec axx( vec bxx vec c) is

if vec a= 5 hat i -hat j -3 hat k and vec b=hat i+3 hat j - 5 hat k , Find vec a . vec b =?

If vec a= 2 hat i- hat j+ hat k and vec b = - hat i+3 hat j+4 hat k ,then veca.vecb =

Find | vec axx vec b| , if vec a= hat i-7 hat j+7 hat k and vec b=3 hat i-2 hat j+2 hat kdot

If vec a=3 hat i- hat j-4 hat k , vec b=2 hat i+4 hat j-3 hat k and vec c= hat i+2 hat j- hat k , find |3 vec a-2 hat b+4 hat c|dot

If vec(a) = 3 hat (i) + 4 hat (j) - hat(k) , vec(b) = hat(i) - 3 hat (j) + 4 hat (k) and vec (c ) = 5 hat (i) - 6 hat (j) + 4 hat (k) , find the vector vec (r ) which is perpendicular to both vec(a) and vec(b) and which satisfies the relation vec(r).vec(c ) = 91

If vec a= hat i+hat j- hat k, vec b= -hat i+2 hat j+ hat k and vec c = - hat i+2 hat j- hatk , then show that the unit vector perpendicular to vec a+ vec b and vec b+ vec c is hat k .

CENGAGE PUBLICATION-VECTOR ALGEBRA-All Questions
  1. Let the vectors vec a and vec b be such that | vec a|=3 and | vec b|=...

    Text Solution

    |

  2. Show that ( vec a- vec b)xx( vec a+ vec b)=2( vec axx vec b)dot

    Text Solution

    |

  3. Let vec a= hat i+4 hat j+2 hat k , vec b=3 hat i-2 hat j+7 hat ka n d...

    Text Solution

    |

  4. If A ,Ba n dC are the vetices of a triangle A B C , then prove sine...

    Text Solution

    |

  5. Using cross product of vectors , prove that sin (A+B)=sin A cosB + cos...

    Text Solution

    |

  6. Find a unit vector perpendicular to the plane determined by the poin...

    Text Solution

    |

  7. If vec a and vec b are two vectors, then prove that ( vec axx vec b...

    Text Solution

    |

  8. In isosceles triangles A B C ,| vec A B|=| vec B C|=8, a point E divid...

    Text Solution

    |

  9. Prove that in a tetrahedron if two pairs of opposite edges are perp...

    Text Solution

    |

  10. Let vec a , vec b , and vec c are vectors such that | vec a|=3,| vec ...

    Text Solution

    |

  11. If | vec a|=| vec b|=| vec a+ vec b|=1, then find the value of | vec a...

    Text Solution

    |

  12. If vec A=4 hat i+6 hat j and vec B=3 hat j+4 hat k , then find the co...

    Text Solution

    |

  13. A particle acted by constant forces 4 hat i+ hat j-3 hat k and 3 hat...

    Text Solution

    |

  14. If veca , vecb , vecc are three mutually perpendicular unit ve...

    Text Solution

    |

  15. Let vec a=x hat i+12 hat j- hat k , vec b=2 hat i+2x hat j+ hat ka n ...

    Text Solution

    |

  16. If vec a , vec b ,a n d vec c are three non-coplanar vectors, then ...

    Text Solution

    |

  17. If vec a , vec b , vec ca n d vec d are the position vectors of the...

    Text Solution

    |

  18. The position vectors of the vertices of a quadrilateral with A as o...

    Text Solution

    |

  19. If vec axx vec b= vec cxx vec da n d vec axx vec c= vec bxx vec d , t...

    Text Solution

    |

  20. Show by a numerical example and geometrically also that vec axx ve...

    Text Solution

    |