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Name the octants in which the following ...

Name the octants in which the following points lie: (2,-5,-7)

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the x-coordinate of the given point is positive.
The y-coordinate of the given point and the z-coordinate of the given point both are negative.
Therefore the point (2,-5,-7) lies in XOY'Z' octant.
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RD SHARMA-INTRODUCTIONS TO 3-D COORDINATE GEOMETRY-Solved Examples And Exercises
  1. Name the octants in which the following points lie: (-5,-3,-2)

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  2. Name the octants in which the following points lie: (4,-3,5)

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  3. Name the octants in which the following points lie: (2,-5,-7)

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  4. Name the octants in which the following points lie: (7,4,-3)

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  5. Name the octants in which the following points lie: (-7,2,-5)

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  6. Find the image of: (-2,3,4) in the yz-planes.

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  7. Find the image of: 5,2,-7) in the xy-planes.

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  8. Find the image of: (-4,0,0) in the xy-planes.

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  9. Find the image of: (-5,4,-3) in the xz-planes.

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  10. Find the image of: (-5,0,3) in the xz-planes.

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  11. A cube of side 5 has one vertex at the point (1,0,1) and the three ...

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  12. Planes are drawn parallel to the coordinate planes through the points ...

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  13. Planes are drawn through the points (5,0,2) and(3,2,-5) parallel to th...

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  14. Find the distances of the point P(-4,3,5) from the coordinate axes.

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  15. The coordinates of a point are (3,-2,5). Write down the coordinates of...

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  16. Find the locus of the point which is equidistant from the points A(...

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  17. Find the distance between the following pairs of point: P(1,-1,0)a ...

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  18. Find the distance between the following pairs of point:Q(3,2,-1)a n d\...

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  19. Find the distance between the points P\ a n d\ Q having coordinates (-...

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  20. Using distance formula prove that the following points are collinear: ...

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