Home
Class 11
MATHS
IF bar a , bar b , bar c are mutuall...

IF ` bar a , bar b , bar c ` are mutually perpendicular vectors having magnitudes 1,2,3 respectively
then ` [ bar a + bar b + bar c " " bar b - bar a " " bar c ]=?`

A

0

B

6

C

12

D

18

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • QUESTION PAPER 2017

    MARVEL PUBLICATION|Exercise QUESTION|50 Videos

  • SEQUENCES AND SERIES

    MARVEL PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS|81 Videos

Similar Questions

Explore conceptually related problems

If bar(a),bar(b),bar (c ) are pair wise mutually perpendicular vectors of equal magnitude , then the angle wisv bar(a)+bar(b)+bar (c ) is

If bar(a),bar(b) and bar(c) are mutually perpendicular vectors then [bar(a)bar(b)bar(c)]=

Let bar(a),bar(b) and bar(c) be three vectors having magnitudes 1,1 and 2 respectively. If bar(a)times(bar(a)times bar(c))-bar(b)=0 then the acute angle between bar(a) and bar(c) is

Given four non zero vectors bar a,bar b,bar c and bar d. The vectors bar a,bar b and bar c are coplanar but not collinear pair by pairand vector bar d is not coplanar with vectors bar a,bar b and bar c and hat (bar a bar b) = hat (bar b bar c) = pi/3,(bar d bar b)=beta ,If (bar d bar c)=cos^-1(mcos beta+ncos alpha) then m-n is :

Let bar(a) , bar(b) and bar(c) be vectors with magnitudes 3,4 and 5 respectively and bar(a)+bar(b)+bar(c)=0 then the value of bar(a).bar(b)+bar(b).bar(c)+bar(c).bar(a) is

If a,b and c are mutually perpendicular vectors,thenprove that [bar(a)bar(b)bar(c)]^(2)=a^(2)b^(2)c^(2)

Let bar(a),bar(b),bar(c) are three vectors of magnitudes 1,(1)/(sqrt(2)),sqrt(2) respectively,satisfying [bar(a)bar(c)bar(c)]=1 value of (2bar(a)+bar(b)+bar(c))*(bar(a)xxbar(c))xx(bar(a)-bar(c))+bar(b)) is

If bar(a),bar(b) are vectors perpendicular to each other and |bar(a)|=2,|bar(b)|=3, bar(c)timesbar(a)=b, then the least value of 2|bar(c)-bar(a)|" is

if bar a+2 bar b+3bar c=bar 0 then bar axxbar b+bar b xx bar c+bar cxx bara = lambda (bar b xx bar c) ,where lambda=

bar(a) , bar(b) and bar(c) are three vectors such that bar(a) + bar(b) + bar(c) = bar(0) and |bar(a)| =2, |bar(b)| =3, |bar(c)| =5 ,then bar(a) . bar(b) + bar(b) . bar(c) + bar(c) . bar(a) equals

MARVEL PUBLICATION-QUESTION PAPER 2018-QUESTION
  1. If f(x) =(e^(x^(2))-cos x)/(x^(2)), for x ne 0 is continous at ...

    Text Solution

    |

  2. The maximum value of 2x +y subject to 3x +5y le 26 and 5x +...

    Text Solution

    |

  3. IF bar a , bar b , bar c are mutually perpendicular vectors hav...

    Text Solution

    |

  4. IF points p( 4,5,x),Q (3,y,4) and R (5,8,0) are collinear , then ...

    Text Solution

    |

  5. IF the slope of one of the lines given by ax^(2) +2hxy + by...

    Text Solution

    |

  6. The equation of the line passing through the point (-3,1) and...

    Text Solution

    |

  7. The negation of the statement : Getting above 95% marks is n...

    Text Solution

    |

  8. cos 1^(@) ."" cos 2^(@) ."" cos 3^(@) "…." cos 179 ^(@)=

    Text Solution

    |

  9. If planes x- cy - bz =0 , cx-y+az =0 and bx + ay - z=0 pass th...

    Text Solution

    |

  10. The point of intersection of lines represented by x^(2) -y ^(2) ...

    Text Solution

    |

  11. A die is rolled .IF X denotes the number of positive divisors ...

    Text Solution

    |

  12. A die is thrown for times .The probability of getting perfect...

    Text Solution

    |

  13. int (0) ^(pi //4) x. Sec ^(2) x dx =?

    Text Solution

    |

  14. In DeltaABC, with usual notations, if a,b,c are in AP then acos^(2)((C...

    Text Solution

    |

  15. If x= e^(theta )(sin theta - cos theta ) , y= e^(theta ) ( sin ...

    Text Solution

    |

  16. The number of solutions of sin x+ sin 3x + sin 5x=0 in the ...

    Text Solution

    |

  17. IF tan ^(-1) 2x + tan ^(-1) 3x =(pi)/(4) , then x=

    Text Solution

    |

  18. Matrix A =[(1,2,3),(1,1,5),(2,4,7)] then the value of A(31) A(3...

    Text Solution

    |

  19. The contrapositive of the statement: "If the weather is fine then my f...

    Text Solution

    |

  20. If =(x)/(x^(2)+1) is increasing function, then the value of x lies in

    Text Solution

    |