Home
Class 12
MATHS
If veca=hati+4hatj+2hatk , vecb=3hati-2h...

If `veca=hati+4hatj+2hatk` , `vecb=3hati-2hatj+7hatk` and `vecc=2hati-hatj+4hatk` then find a vector `vecd` (which is `_|_` ar to both `veca` and `vecb`) and `vecc.vecd`=15.

Promotional Banner

Topper's Solved these Questions

  • VECTOR ALGEBRA

    PSEB|Exercise Exercise|82 Videos
  • THREE DIMENSIONAL GEOMETRY

    PSEB|Exercise Exercise|77 Videos

Similar Questions

Explore conceptually related problems

If veca=4hati+5hatj-hatk , vecb=hati-4hatj+5hatk and vecc=3hati+3hatj-hatk then find a vector vecd (which is _|_ ar to both veca and vecb ) and vecc.vecd =21.

Let veca=hati+4hatj+2hatk,vecb=3hati-2hatj+7hatk and vecc=2hati-hatj+4hatk . Find a vector vecd , which is perpendicular to both veca and vecb and vecc*vecd=18 .

Let veca=hati+4hatj+2hatk,vecb=3hati-2hatj+7hatk and vecc=2hati-hatj+4hatk . Find a vector vecd , which is perpendicular to both veca and vecb and vecd*vecc=18 .

If veca=2hati+hatj+4hatk and vecb=3hati-2hatj+hatk then veca.vecb=

PSEB-VECTOR ALGEBRA-Exercise
  1. Area of a rectangle having vertices A, B, C and D with position vector...

    Text Solution

    |

  2. Write down a unit vector in XY-plane, making an angle of 30^o with the...

    Text Solution

    |

  3. Find the scalar components and magnitude of the vector joining the poi...

    Text Solution

    |

  4. A girl walks 4 km towards west, then she walks 3 km in a direction 30^...

    Text Solution

    |

  5. If veca = vecb + vecc, then is it true that |veca| = |vecb| + |vecc|?...

    Text Solution

    |

  6. Find the value of x for which x(hati + hatj + hatk) is a unit vector.

    Text Solution

    |

  7. Find a vector of magnitude 5 units, and parallel to the resultant of t...

    Text Solution

    |

  8. If veca = hati + hatj+hatk, vecb = 2hati-hatj+3hatk and vecc = hati-2h...

    Text Solution

    |

  9. Show that the points A(1,-2,-8), B(5,0,-2) and C(11,3,7) are collinear...

    Text Solution

    |

  10. Find the position vector of a point R which divides the line joining t...

    Text Solution

    |

  11. The two adjacent sides of a parallelogram are given by the vectors 2ha...

    Text Solution

    |

  12. Show that the direction cosines of a vector equally inclined to the ax...

    Text Solution

    |

  13. If veca=hati+4hatj+2hatk , vecb=3hati-2hatj+7hatk and vecc=2hati-hatj+...

    Text Solution

    |

  14. The scalar product of the vector hati+hatj+hatk with a unit vector alo...

    Text Solution

    |

  15. If veca, vecb, vecc are mutually perpendicular vectors of equal magnit...

    Text Solution

    |

  16. Prove that (veca+vecb) cdot (veca+vecb) = |veca|^2 + |vecb|^2, if and ...

    Text Solution

    |

  17. If theta is the angle between two vectors veca and vecb, then veca c...

    Text Solution

    |

  18. Let veca and vecb be two unit vectors and theta is the angle between...

    Text Solution

    |

  19. The value of : hati*(hatjxxhatk)+hatj*(hatixxhatk)+hatk*(hatixxhatj) i...

    Text Solution

    |

  20. If theta is the angle between two vectors veca and vecb, then |veca*ve...

    Text Solution

    |