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The distance of the point A(2,3,4) from ...

The distance of the point A(2,3,4) from z-axis is

A

5

B

`sqrt13`

C

`2sqrt5`

D

`5sqrt2`

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The correct Answer is:
B
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HIMALAYA PUBLICATION-THREE DIMENSIONAL GEOMETRY-QUESTION BANK
  1. A line making anlges 45^(@) and 60^(@) with the positive direction o...

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  2. The distance of the point (4,3,5) from the y-axis is

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  3. The distance of the point A(2,3,4) from z-axis is

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  4. Coordinates of the foot of the perpendicular from the point (3,4,7) on...

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  5. If the points (7,-2) , (5,1) and (3,5) are collinear. Find the value o...

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

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

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  8. The ratio in which the line joining points (2, 4, 5), (3,5,- 4) is div...

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  9. The projection of a line segment on x, y, z axes are respectively sqrt...

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  10. If the projection of a line segment PQ on the coordinate axes are 3,4,...

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

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

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

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

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

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

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  17. The equation x^(2) + y^(2) + z^(2) = 0 represents

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  18. The equation a x+b y+c=0 represents a plane perpendicular to the

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

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  20. Equation of the plane containing the straight line x/2=y/3=z/4 and per...

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