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Find the direction of the joining the po...

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

A

`(6)/(7),(2)/(7),(3)/(7)`

B

`6,2,3`

C

`2,4,-13`

D

`(4)/(5),(3)/(5),(6)/(5)`

Text Solution

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The correct Answer is:
B
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TARGET PUBLICATION-THREE DIMENSIONAL GEOMETRY -Competitive Thinking
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  2. The projection of a line segment on the coordinate axes are 2,3,6. The...

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

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

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

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

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

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

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

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

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

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

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

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

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  16. The acute angle between the lines whose direction ratios are 1, 2, 2 a...

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  17. Find the angle between the following pair of lines: A lines with direc...

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  18. If A,B,C,D are (2,3,-1),(3,5,-3),(1,2,3),(3,5,7) respectively, then th...

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  19. The angle between the lines whose direction cosines satisfy the equ...

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  20. Direction ratios of the line which is perpendicular to the lines with ...

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