Home
Class 12
MATHS
If r. a = r.b = r.c = 0 where a,b,c are ...

If r. a = r.b = r.c = 0 where a,b,c are noncoplannar, then

A

`r _|_ c xx a`

B

`r _|_ a xx b`

C

`r _|_ b xx c`

D

r = 0

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • PRODUCTS OF VECTORS

    DIPTI PUBLICATION ( AP EAMET)|Exercise Exercise 1C (Triple product of Vectors|112 Videos

  • PRODUCTS OF VECTORS

    DIPTI PUBLICATION ( AP EAMET)|Exercise Exercise 2 (Special Type Questions) SET -A|13 Videos

  • PRODUCTS OF VECTORS

    DIPTI PUBLICATION ( AP EAMET)|Exercise Exercise 1A|50 Videos

  • PROBABILITY

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 2 (SPECIAL TYPE QUESTIONS) SET-4|5 Videos

  • PROPERTIES OF TRIANGLES

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 2 (SPECIAL TYPE QUESTIONS) Set-4|10 Videos

Similar Questions

Explore conceptually related problems

Find the point of intersection of the line bar(r)=2bar(a)+bar(b)+t(bar(b)-bar(c)) and the plane bar(r)=bar(a)+x(bar(b)+bar(c))+y(bar(a)+2bar(b)-bar(c)) where bar(a), bar(b), bar(c) are non coplanar vectors.

Evaluate the integerals. int (dx)/(sqrt(a^(2) -(b+cx)^(2)))on {x in R: |b +cx|lt a}. where a,b,c are real nambers c ne 0 and a gt 0.

Find e^(ax) cos (bx+c) dx on R , where a,b,c are real number and b ne 0 .

If 2( r+R ) = b+ c then A =

Evaluate the integerals. int (dx)/(a ^(2)+ (b+cx)^(2)) on R, where a,b,c are real numbers, c ne 0 and a gt 0.

If 3+4i is a root of the equation ax^(2)+bx+c= 0 where a, b, c in R then 31a+b+c=

If a = 18 , b= 24 , c= 30 " then" r_2 r_1 is

DIPTI PUBLICATION ( AP EAMET)-PRODUCTS OF VECTORS-Exercise 1B Cross Product of Vectors
  1. Let u = I + j, v = I - j, w = I + 2j + 3k. If n a unit vector such tha...

    Text Solution

    |

  2. If u and v are unit vectors and theta is the acute angle between them,...

    Text Solution

    |

  3. If r. a = r.b = r.c = 0 where a,b,c are noncoplannar, then

    Text Solution

    |

  4. If a is any vector then (a xx i)^(2) + (a xx j)^(2) + (a xx k)^(2) =

    Text Solution

    |

  5. If a xx I + 2a - 5j = 0 then a =

    Text Solution

    |

  6. If vec(a) is a unit vector and vec(a) xx vec(i) = vec(j), then vec(a)....

    Text Solution

    |

  7. If three vectors a,b,c are such that a !=0 and a xx b = 2 (a xx c), |a...

    Text Solution

    |

  8. The vector area of the parallelogram whose adjacent sides are i + j + ...

    Text Solution

    |

  9. The area of the parallelogram whose adjacent sides are 3i + 2j + k and...

    Text Solution

    |

  10. The vector area of the parallelogram whose diagonals are I + j - k, 2i...

    Text Solution

    |

  11. The area of the parallelogram whose diagonals are I - 3j + 2k, -I + 2j...

    Text Solution

    |

  12. The vector area of the rectangle whose adjacent sides are 2i + 3j, 4k ...

    Text Solution

    |

  13. The vector area of the triangle whose adjacent sides are I - 2j + 2k, ...

    Text Solution

    |

  14. The area of the triangle whose sides are given by 2i - 7j + k and 4j- ...

    Text Solution

    |

  15. The vector area of the triangle with vertices I + j + k, I + j + 2k, I...

    Text Solution

    |

  16. The area of the triangle formed by the points whose position vectors a...

    Text Solution

    |

  17. The area of the triangle with vertices (1,2,3), (2,5,-1), (-1,1,2) is

    Text Solution

    |

  18. The vector area of the Delta ABC whose vertices are a,b,c is

    Text Solution

    |

  19. If a,b,c are the position vectors of A,B,C of Delta ABC then (a xx b) ...

    Text Solution

    |

  20. If |vec(a)|=sqrt3, |vec(b)|=2, (vec(a), vec(b))= (pi)/(3), then the ar...

    Text Solution

    |