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=

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=

Circumcentre of the triangle formed by the points (2,3), (0,1),(4,1) is

Find area of the triangle formed by the points (1,2,3), (-1,-1,8) and (-4,4,6) .

Find the centroid of the triangle mid points of whose sides are (1,2,-3),(3,0,1)and (-1,1,4)

the area of triangle formed by the points (0,0) (1,1) and (2,3) is

Orthocentre of the triangle formed by joining the points (2,1/2), (3,1/3) and (4,1/4) is

If the centroid of the triangle formed by the points (3,-5),(-7,4),(10,-k) is at the point (k,-1), then k=3( b) 1(c)2(d)4

Find the centroid of a triangle,mid points of whose sides are (1,2,-3),(3,0,1) and (-1,1,-4)

Let z, and z_(1)=(a)/(1-1),z_(2)=(b)/(2+1) and z_(3)=a-ib for a,b in R. If z_(1),z_(2)=1, then the centroid of the triangle formed by the points z_(1),z_(2) and z_(3), in the argand plane is given by

If (2,k,-1) is the centroid of the triangle with vertices (2,-1,2), (1,-3,4) and (3,k,-1) , then k= _____.