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The points (2, -1, -1), (4, -3, 0) and ...

The points (2, -1, -1), (4, -3, 0) and (0, 1, -2) are

A

collinear

B

non-coplanar

C

non-collinear

D

non-collinear and non-coplanar

Text Solution

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The correct Answer is:
A
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NIKITA PUBLICATION-THREE DIMENSIONAL GEOMETRY -MULTIPLE CHOICE QUESTIONS
  1. The distance of point (1, 2, 3) from X-axis is

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  2. Perpendicular distance of point (3, 4, 5) from Y-axis is

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  3. The points (2, -1, -1), (4, -3, 0) and (0, 1, -2) are

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  4. The points (-7, 4, -2), (-2, 1, 0) and (3, -2, 2) are

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

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

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  7. If the points A(-1, 3, lambda), B(-2, 0, 1) and C(-4, mu, -3) are coll...

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  8. 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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  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 a line drawn from point (1, 2, 1) is perpendicular to the line join...

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  11. If a line drawn from point (2, 4, 3) is perpendicular to the line join...

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  12. If a line drawn from point (4, 3, 2) is perpendicular to the line join...

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  13. If A(1, 2, 3), B(4, 5, 6) are two points, then the foot of the perpend...

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  14. If the line with direction ratios 2, -1, 2 is perpendicular to the lin...

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  15. If the line with direction ratios 5, 3k, 7 is perpendicular to the lin...

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  16. If the line with direction ratios k, -4, -1 is perpendicular to the li...

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  17. If a line passing through (4, 1, 2) and (5, k, 0) is perpendicular to ...

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  18. Find the measure of a acute angle between the line direction ratios ar...

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  19. Find the angles between the line whose direction ratios are 4, -3, 5 a...

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  20. The acute angle between the lines whose direction ratios are 3, 2, 6 a...

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