Home
Class 12
MATHS
If a=2hati+hatk,b=hati+hatj+hatk,c=4hati...

If `a=2hati+hatk,b=hati+hatj+hatk,c=4hati-3hatj+7hatk`, then the vector r satisfying `rxxb=cxxb` and r.a=0 is

A

`hati+8hatj+2hatk`

B

`hati-8hatj+2hatk`

C

`hati-8hatj-2hatk`

D

`-hati-8hatj+2hatk`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • ONLINE QUESTION PAPER 2018

    TS EAMCET PREVIOUS YEAR PAPERS|Exercise MATHEMATICS|318 Videos
  • QUESTION PAPER 2019

    TS EAMCET PREVIOUS YEAR PAPERS|Exercise Mathematics|160 Videos

Similar Questions

Explore conceptually related problems

If a=hati+hatj+hatk,a.b=1andaxxb=hatj-hatk then b=

If a=hati+2hatj+3hatk, b=-hati+2hatj+hatk, c=hati+2hatj-2hatk, n is perpendicular to both a and b and theta is the angle between c and n then sin theta=

Let veca=hatj-hatk and vecc=hati-hatj-hatk . Then vector vecb satisfying veca xx vecb +vecc=vec0 and veca.vecb=3 is

Show that the points A,B and C with position vectors , veca=3hati-4hatj-4hatk,vecb=2hati-hatj+hatkandvecc=hati-3hatj=5hatk ,respectively form the vertices of a right angled triangle.

TS EAMCET PREVIOUS YEAR PAPERS-QUESTION PAPER 2015-MATHEMATICS
  1. If M(1),M(2),M(3) "and" M(4), are respectively the magnitudes of the v...

    Text Solution

    |

  2. If a,b,c are unit vectors such that a + b + c = 0 then a.b + b.c + c +...

    Text Solution

    |

  3. If a=2hati+hatk,b=hati+hatj+hatk,c=4hati-3hatj+7hatk, then the vector ...

    Text Solution

    |

  4. If a,b and c are three vectors such that |a|=1, |b|=2, |c|=3 and a.b=b...

    Text Solution

    |

  5. If [a xx b b xx c c xx a] lambda [a b c]^(2) then lambda is equal to

    Text Solution

    |

  6. The cartesion equation of th plane passing through the point (3,-2,-1)...

    Text Solution

    |

  7. The arithmetic mean of the observations 10,8,5,a,b is 6 and their vari...

    Text Solution

    |

  8. If the median of the data 6, 7, x-2, x, 18, 21 written in ascending or...

    Text Solution

    |

  9. Two persons A and B are rolling die on the condition that the person w...

    Text Solution

    |

  10. The letters of the word 'QUESTION' are arranged in a row at random. Th...

    Text Solution

    |

  11. If (1+3P)/(3),(1-2P)/(2) are probabilities of two mutually exclusive e...

    Text Solution

    |

  12. The probability that an event does not happen in one trial is 0.8 The ...

    Text Solution

    |

  13. If the equation to the locus of points equidistant from the points (-2...

    Text Solution

    |

  14. The point (2,3) is first reflected in the straight line y=x and then t...

    Text Solution

    |

  15. If the staight lines 2x+3y-1=0,x+2y-1=0, and ax+by-1=0 from a triangle...

    Text Solution

    |

  16. The point on the line 4x-y-2=0 which is equidistant from the points (-...

    Text Solution

    |

  17. If the lines x+2ay+a=0, x+3by+b=0, x+4cy+c=0 are concurrent, then a,b ...

    Text Solution

    |

  18. If the slope of one of the lines represented by ax^(2)-6xy+y^(2)=0 is ...

    Text Solution

    |

  19. The sum of the minimum and maximum distances of the point (4,-3) to th...

    Text Solution

    |

  20. The locus of centres of the circles, which cut the circles x^(2)+y^(2)...

    Text Solution

    |