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The points A (4,5,1), B (0,-1,-1), C(3,9...

The points A (4,5,1), B (0,-1,-1), C(3,9,4) and D(-4,4,4) are

A

collinear

B

coplanar

C

non coplanar

D

non collinear and non coplanar

Text Solution

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The correct Answer is:
B
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HIMALAYA PUBLICATION-THREE DIMENSIONAL GEOMETRY-QUESTION BANK
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  3. The points A (4,5,1), B (0,-1,-1), C(3,9,4) and D(-4,4,4) are

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  4. The direction cosines l, m, n of two lines are connected by the relati...

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  8. If the projection a of a line segment PQ on the coordinate as are 2,3,...

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  9. The projection of the line segment joining P(2,-1,0) and Q(3,-2,1) on ...

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  10. The ratio in which the line joining (3,4,-7) and (4,2,1) is divided by...

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  11. The points (3,4,-3) divides the line joining the points (2,3,-1) and (...

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  12. The area of triangle whose vertices are (1,2,3), (2,5,-1) and (-1,1,2)...

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  13. If alpha, beta, gamma and delta be four angles of a cyclic qardrilater...

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  16. The equation of the line passing through the points (4,-5,-2) and (-1,...

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  20. The equation of the plane through the points (1,-1,0), (0,-2,1) and (2...

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