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The line joining the points (4, 1, 2) an...

The line joining the points (4, 1, 2) and (5, p, 0) is parallel to the lne joining the points (2, 1, 1) and (3, 3, -1), then p =

A

-1

B

1

C

-3

D

3

Text Solution

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The correct Answer is:
D
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NIKITA PUBLICATION-THREE DIMENSIONAL GEOMETRY -MULTIPLE CHOICE QUESTIONS
  1. The line joining the points -2,1,-8)a n d(a ,b ,c) is parallel to t...

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  2. If the line segment joining the points A(7, p, 2) and B(q, -2, 5) be ...

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  3. The line joining the points (4, 1, 2) and (5, p, 0) is parallel to the...

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  4. If A(-1, 2, -3), B(5, 0, -6) and C(0, 4, -1) are the vertices of tria...

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  5. A line passes through the points (3, 1, 2) and (5, -1, 1) . Then the ...

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  6. A line passes through the point (3, 1,2) and (5,-1,1), find the direct...

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  7. Direction cosines of the line passing through the points A(-4, 2, 3) a...

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  8. Direction cosines of the line passing through the points A(-4, 2, 3) a...

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  9. If a line has the direction ratios 4, -12, 18, then its direction cos...

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  10. If a line has the direction ratios -1, 2, 3, then its direction cosin...

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  11. The direction cosines of a line whose direction ratios are 1, -2, 3 ar...

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  12. If |bar r|=9 and bar r is equally inclined to the co-ordinate axes, th...

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  13. If |baru|=3 and baru is equally inclined to the unit vectors hati, hat...

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  14. If OP=8 and OP makes angles 45^(@) and 60^(@) with OX-axis and OY-axis...

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

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

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  17. The direction ratios of AB are -2,2,1. If A -= (4,1,5) and l(AB) = 6 u...

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  18. If the direction cosines of bar(AB) are (-2)/(sqrt(17)), (3)/(sqrt(17)...

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  19. If OP = 21 and direction cosines of bar(OP) are (2)/(7),(6)/(7), (-3)...

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  20. The ratio in which the line joining points (2, 4, 5) and (3, 5, -4) di...

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