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If the orthocentre and the circucentre o...

If the orthocentre and the circucentre of are (-3,5,2) ,(6,2,5) then its centroid is

A

(3,3,4)

B

`(3/2,7/2,9/2)`

C

`((-9)/2,7/2,(-3)/2)`

D

`(9/2,(-3)/2,3/2)`

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AAKASH SERIES-3D-COORDINATE SYSTEM-EXERCISE-1
  1. Assertion (A) : P(3,5,4), Q(6,5,7) are the vertice of a triangle whose...

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  2. The distance between the circumcentre and the orthocentre of DeltaABC ...

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  3. If the orthocentre and the circucentre of are (-3,5,2) ,(6,2,5) then i...

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  4. If H,G,S, I are respectively othercentre centroid , circumcentre and i...

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  5. A(0,2,3), B(2,-1,5),C(3,0, -3) are vertices of DeltaABC. If a,b,c are ...

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

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  7. The distance between the circumcentre and the orthocentre of the trian...

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  8. Find the incentre of the DeltaABC with vertices A(0,0,4), B(3,0,4), C(...

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  9. If origin is the orthocentre of a triangle formed bythe points (cos al...

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  10. The x, y, z coordinates of each vertex of a triangle are in A.P. The x...

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  11. A (3,2,0), B(5,3,2), C(-9,6,-3) are three points forming a triangle th...

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  12. A (4,3,5), B(0,-2,2) and C( 3,2,1) are three points. The coordinates o...

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  13. Let A (4, 7, 8), B (2, 3, 4) and C (2, 5, 7) be the position vectors o...

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  14. The locus of equation x^(2)+y^(2)+z^(2)+1=0 is

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  15. The locus of first degree equation in x,y,z is

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  16. The Locus of a point P(x,y,z) which moves in such away that z=C (const...

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  17. The locus of a point which is at a distance of 5 unit from (2,1,-3) is

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  18. Equation to the locus of points which are equal distance from the poin...

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  19. The locus of the point which is equidistant from xy plane and yz - pla...

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  20. The locus of the point which is at a distance of '3' unit from zx-plan...

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