The centroid of the triangle formed by the points `(1,2,3),(2,3,1),(3,1,2)` is

The centroid of the triangle formed by the points (1,2,3),(3,-1,5),(4,0,-3) is

The circumcentre of the triangle formed by the points (1,2,3), (2,3,1),(3,1,2) is

The centroid of the triangle formed by the points (2,1,5),(3,2,3),(4,0,4) is

The centroid of the triangle formed by the points (1,2),(2,4)and (-3,6) is -

If (1,1, a) is the centroid of the triangle formed by the points (1,2,-3),(b,0,1)&(-1,1,-4) ,then b-a=

The centroid of the triangle formed by the points (2,3,-1) , (5,6,3), (2,-3,1) is

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

If (1,1,a) is the centroid of the triangle formed by the points (1,2,-3),(b,0,1) and (-1,1,-4) then a-b=

The equation of the line joining the centroid with the orthocentre of the triangle formed by the points (-2,3), (2,-1), (4,0) is