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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

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The correct Answer is:
A
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TARGET PUBLICATION-THREE DIMENSIONAL GEOMETRY -Competitive Thinking
  1. If a line lies in the octant OXYZ and it makes equal angles with the a...

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  2. The number of lines which are equally inclined to the axes is :

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

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  4. If a line makes angles alpha, beta and gamma with the coordinate axes,...

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  5. If a line makes angles (alpha)/(2), (beta)/(2), (gamma)/(2) with co-o...

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  6. The projection of a line segment on the co-ordinate 3, 4, 5, then its ...

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  7. The projection of a line segment on the coordinate axes are 2,3,6. The...

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  8. Find the direction of the joining the points P(4,3,-5) and Q(-2,1,-8)

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  9. A B C is a triangle and A=(235)dotB=(-1,3,2)a n dC=(lambda,5,mu)dot If...

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  10. If the direction ratios of a lines are proportional to 1,-3,2 then its...

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  11. Find the direction of the joining the points P(4,3,-5) and Q(-2,1,-8)

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  12. The co-ordinates of a point P are (3, 12, 4) with respect to origin O,...

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  13. The projection of a vector on the three coordinate axes are 6, -3, 2, ...

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  14. The projection of the line segment joining the points A(-1,0,3) and B(...

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  15. Which of the following set of points are non-collinear?

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  16. If the points (5,-2,7),(2,2,beta)and(-1,6,-1) are collinear, then the ...

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  17. If the points (-1,2-3),(4,a,1)and(b,8,5) are collinear, then a and b a...

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

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  19. The points A(1,0,1),B(-1,2,3)andC(0,1,2) are

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  20. The direction rations of the diagonals of a cube which joins the origi...

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