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If the points (5, 2, 4), (6, -1, 2) and ...

If the points (5, 2, 4), (6, -1, 2) and (8, -7, k) are collinear, then k =

A

`-1`

B

3

C

2

D

`-2`

Text Solution

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The correct Answer is:
D
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MARVEL PUBLICATION-PLANE IN SPACE -PART B: MASTERING THE BEST ON LINE AND PLANE IN SPACE
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  2. Equation of the line passing through (1, 1, 1) and parallel to the pla...

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  3. If the points (5, 2, 4), (6, -1, 2) and (8, -7, k) are collinear, then...

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  4. Write the angle between the line (x-1)/2=(y-2)/1=(z+3)/-2 and the plan...

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  5. XOY-plane divides the join of ( x , y , z ) and ( - y , - z , - x ) in...

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  6. Equation of plane passing through (2,-3,1) and perpendicular to the jo...

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  7. The equation of a plane through the point (2, 3, 1) and (4, -5, 3) and...

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  8. Equation of plane perpendicular to the YZ- plane and passing through (...

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  9. Equation of plane passing through (1,0,1),(3,1,2) and parallel to the ...

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  10. Equation of plane passing through (1,1,1) and the line of intersection...

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  11. Find the equation of the plane passing through the line of intersectio...

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  12. Equation of plane passing through (-1,3,2) and perpendicular to the tw...

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  13. Equation of plane passing through (1,1,0), (-2,2,-1) and (1,2,1) is

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  14. Co-ordiantes of the point of intersection of the line (x+1)/1 = (y+3)/...

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  15. Distance from the point (3,4,5) to the point where the line (x-3)/1 =(...

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  16. The distance of the point (1,-2,3) from the plane x-y+z-5=0, measured ...

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  17. Measure of angle between the planes bar(r ).(3i+j-k)=1 and barr.(i+4j-...

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  18. If the planes barr.(2i + lambdaj - 3k)=0 and barr.(lambdai + 3j + k)=5...

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  19. If the planes barr.(2i - lambdaj + k)=3 and barr.(4i + j - muk)=5 are ...

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  20. Line of intersection of the two planes barr.(3i - j + k)=1 and barr.(i...

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