Home
Class 12
MATHS
Given two vectors hat i-hatj and hat i +...

Given two vectors `hat i-hatj` and `hat i +2 hatj` the unit vector coplanar with the two given vectors and perpendicular to `(hati-hatj)` is

A

`(1)/sqrt(2)(hati+hatj)`

B

`(1)/sqrt(5)(2hati+hatj)`

C

`pm(1)/sqrt(2)(hati+hatj)`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MOCK TEST PAPER -III

    MODERN PUBLICATION|Exercise SELECT THE CORRECT ANSWER|60 Videos

  • PARABOLA

    MODERN PUBLICATION|Exercise RECENT COMPETITION QUESTION (QUESTION FROM KARNATAKA CET & COMED)|9 Videos

Similar Questions

Explore conceptually related problems

Given two vectors hati-hatj and hati + 2 hatj. The unit vector, coplanar with the two given vectors and perpendicular to (hati - hatj) is :

Given two vectors hati + hatj and hati +2 hatj, the unit vector coplanar with the two vectors and perpendicular to first is :

If a=2hati+5hatj and b=2hati-hatj , then the unit vector along a+b will be

The angle between the vector hati - hatj and hatj - hatk is :

let vec a= ( hat i+ hat j+ hat k) then find the unit vector along this vector

Let vector be the 2hat(i)+hat(j)-hat(k) then find the unit vector in the direction of a vector

Find a unit vector parallel to the vector -3hati+4hatj .

For given vectors veca=2hati-hatj+2hatkandvecb=-hati+hatj-hatk , find the unit vector in the direction of the vector veca+vecb .

MODERN PUBLICATION-MOCK TEST PAPER -IV-SELECT THE CORRECT ANSWER
  1. underset(1)overset(e )int log x dx =

    Text Solution

    |

  2. The area of the region bounded by the curves y=x^(2) and y=4x-x^(2) in...

    Text Solution

    |

  3. The area bounded by the curves y = cos x y = sin x between the ordinat...

    Text Solution

    |

  4. The area of the region enclosed by the curves y=x , x =e y=(1)/(x) an...

    Text Solution

    |

  5. Let the straight line x =b divide the area enclosed by y=(1-x)^(2) y=...

    Text Solution

    |

  6. The differential equation of the family of parabolas y^(2)=4ax where a...

    Text Solution

    |

  7. If (dy)/(dx)=(y+xtan(y)/(x))/(x) then sin (y)/(x)=

    Text Solution

    |

  8. The product of the degree and order of the D.E ((d^(2)y)/(dx^(2)))^...

    Text Solution

    |

  9. The general solution of the D.E f(dy)/(dx)+y g(x).g(x) where g(x) is...

    Text Solution

    |

  10. The directio ratios of the line which is perpendicular to the lines <r...

    Text Solution

    |

  11. A line making anlges 45^(@) and 60^(@) with the positive direction o...

    Text Solution

    |

  12. The shortest distance between the lines (x-3)/(3)=(y-8)/(-1)=(z-3)/...

    Text Solution

    |

  13. Given two vectors hat i-hatj and hat i +2 hatj the unit vector coplana...

    Text Solution

    |

  14. If veca , vecb,vecc are three non zero vectors such that each one of t...

    Text Solution

    |

  15. If the vectors ahati+hatj+hatk,hati+bhatj+hatk and hati+hatj+chatk are...

    Text Solution

    |

  16. Let veca , vecb,vecc be three non zero vectors which are pair wise no...

    Text Solution

    |

  17. Let veca and vecb be two unit vectors if the vectors vec c=hata +hat2b...

    Text Solution

    |

  18. Let ABCD be a parallelogram such that and angleBAD be an acute angle i...

    Text Solution

    |

  19. Three numbers are closen at random without replcement from {1,2,3 ….8...

    Text Solution

    |

  20. Four fair dice D(1),D(2),D(3) and D(4) each having six faces numbere...

    Text Solution

    |