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If (1,2,3 ), (2,3,1 ) are two vertices o...

If (1,2,3 ), (2,3,1 ) are two vertices of an equilateral triangle then its third vertex is

A

`(3,1,2)`

B

(`3,-1,2)`

C

`(-3,1,2)`

D

`(-3,-1,2)`

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A
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DIPTI PUBLICATION ( AP EAMET)-COORDINATE SYSTEM (3D)-EXERCISE 1
  1. The points (1,1 ,1 ) ,(1,2,3 ),(2-1, 1 ) form

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  2. The centroid of the triangle formed by the points (1,2,3),(3,-1,5),(4,...

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  3. If (1,2,3 ), (2,3,1 ) are two vertices of an equilateral triangle then...

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  4. The coplanar points (3,2,1 ), (5,6,5),(2,1,2 )(0,-3,-2 ) from a

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  5. The coplanar points (1,2,2 ) ,(2,-1 , 0) ,(1,1,3 ),(0,4,5, ) from a

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  6. The coplanar points (1,2,4 ),(-2,2,1 ), (2,4,-3 ) ,(5,4,0) form

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  7. The coplanar points (3,2,5) , (2,1,1),(-1,4,1 ),(0,5,5) form a

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  8. The midpoint of the line segment joining (2,3,-1 ), (4,5,3,) is

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  9. If (2,3,-1 ), is the midpoint of bar(AB) Where A = (-1,5,3 ) then B =

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  10. The points which divides the join of (3,-2,1 ) and (-2,3,11 ) in the r...

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  11. The point which divides the line segment joining the points (1,2,3 ), ...

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  12. The point which divides the line segment joining the points (1,-1,2 ) ...

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  13. The coordinates of the point which divides the line joining the points...

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  14. If the line joining A (1,3, 4 )and B is divided by the point (-2, 3,5 ...

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  15. The points of trisection of line segment joining (2,-3,5 ) ,(3,1,-2 ) ...

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  16. The ratio in which (5, 4,-6 ) divides the line segment joining (3,2,-4...

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  17. If A (3,2,-4 ), B (5,4 -6 ),C (9,8,10 )are collinear then the ratio in...

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  18. If X-coordinate of a point P on the line joining the points Q (2,2,1 ...

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  19. The ratio in which xy- plane divides the line segment joining (-2,3,1...

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  20. The ratio in which yz-plane divides the line segment joining (3,4,5 ) ...

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