Home
Class 11
MATHS
If vector r wiith dc's l,m,n is equally ...

If vector r wiith dc's l,m,n is equally inclined to the coordinate axes, then the total number of such vectors is

A

4

B

6

C

8

D

2

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • QUESTION PAPER 2016

    MARVEL PUBLICATION|Exercise QUESTION|47 Videos
  • QUESTION PAPER 2018

    MARVEL PUBLICATION|Exercise QUESTION|50 Videos

Similar Questions

Explore conceptually related problems

The vector of magnitude 6 which is equally inclined to the co-ordinate axes is

The direction cosines of a vector vec r, which is equally inclined to OX,OY and OZ If |vec r| is given,the total number of such vectors is given by

Find the direction cosines of a vector r which is equally inclined to OX, OY and OZ. If |r| is given, find the total number of such vectors.

Find the vector of magnitude 9 which is equally inclined to the coordinates axes.

If |bar(u)| = sqrt(3) and bar(u) is equally inclined to co - ordinate axes, then vector bar(u) =

Show that the vector hat i+hat j+hat k is equally inclined with the coordinate axes.

A vector vecr is equally inclined with the coordinates axes. If the tip of vecr is in the positive octant and |vecr|=6 , then vecr is

A tangent to y^(2)=7x is equally inclined with the coordinate axes.Then the area of the trianglinate by the tangent is coordinate axis (in sq.unts) is

If vec n is a vector of magnitude sqrt(3) and is equally inclined with an acute angle with the coordinate axes. Find the vector and Cartesian forms of the equation of a plane which passes through (2, 1, -1) and is normal to vec n .

Write the direction cosines of a line equally inclined to be three coordinate axes.

MARVEL PUBLICATION-QUESTION PAPER 2017-QUESTION
  1. Let square PQRS be a quadrilateral. If M and N are the mid-points of t...

    Text Solution

    |

  2. If slopes of lines represented by kx^(2)+5xy+y^(2)=0 differ by 1, then...

    Text Solution

    |

  3. If vector r wiith dc's l,m,n is equally inclined to the coordinate axe...

    Text Solution

    |

  4. If int(1)/((x^(2)+4)(x^(2)+9))dx=A" tan"^(-1)(x)/(2)+Btan^(-1)((x)/(3)...

    Text Solution

    |

  5. If alpha and beta are roots of the equation x^(2)+5|x|-6=0, then the v...

    Text Solution

    |

  6. If x=a(t-(1)/(t)),y=a(t+(1)/(t)), where t be the parameter, then (dy)/...

    Text Solution

    |

  7. The point on the curve y= sqrt(x-1) where the tangent is perpen...

    Text Solution

    |

  8. If intsqrt((x-5)/(x-7))dx = A sqrt(x^(2) - 12 x + 35) + log|x-6 +sqr...

    Text Solution

    |

  9. A r.v. X~B (n, p). If values of mean and variance of X are 18 and 12 r...

    Text Solution

    |

  10. The area of the reggion bounded by the lines y=2x+1,y=3x+1" and "x=4 i...

    Text Solution

    |

  11. A box contains 6 pens , 2 of which are defective Two pens are...

    Text Solution

    |

  12. If the volume of spherical ball is increasing at the rate of 4pi" cc/s...

    Text Solution

    |

  13. If f(x)=log(sec^(2)x)^(cot2) for xne0 for x=0 is continuous at x=0, th...

    Text Solution

    |

  14. If c denotes the contradication, then dual of the compound statement ~...

    Text Solution

    |

  15. All parabolas whose axis is the Y-axis.

    Text Solution

    |

  16. int(0) ^(3) [x] dx= where [x] is greatest integer function

    Text Solution

    |

  17. The objective function off LPP defined over the convex set attains it ...

    Text Solution

    |

  18. IF the inverse of the matrix [(alpha , 14,-1),(2,3,1),(6,2,3)] ...

    Text Solution

    |

  19. If f(x ) = x "for" x le 0 =0 "for " x gt 0 then f(x) at x=...

    Text Solution

    |

  20. The equation of the plane through (-1,1,2), whose normal makes equal a...

    Text Solution

    |