If centroid of the triangle with vertice...

If centroid of the triangle with vertices `(3c+2,2,0) , (2c,-1,-1)` and `(c+2, 3c+1,c+3)` coincides with the centre of the sphere `x^2+y^2+z^2+5ax-4by-2cz=13` then (A) `c=1` (B) `c=2` (C) `c=3` (D) `c=0`

`c=1`

`c=2`

`c=3`

`c=0`

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MCGROW HILL PUBLICATION-THE DIMENSIONAL GEOMETRY -QUESTIONS FROM PREVIOUS YEARS. B-ARCHITECTURE ENTRANCE EXAMINATION PAPERS

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