[" Let "ABC" be a triangle and let "S" be its circumcentre "],[" and "O" be its orthocentre.Then "bar(SA)+bar(SB)+bar(SC)=]

If S is the circumcentre, O is the orthocentre of DeltaABC, then bar(SA) + bar(SB)+bar(SC) equals

If S is circumcentre, O is orthocentre of DeltaABC , then vec(SA)+vec(SB)+vec(SC) =

Let ABC be a triangle whose circumcentre is at P. If the position vectors of A, B, C and P are bar(a), bar(b), bar(c) and (bar(a)+bar(b)+bar(c))/4 respectively, then the position vector of the orthocentre of this triangle is

Let ABC be a triangle whose circumcentre is at P. If the position vectors of A,B,C and P are bar(a),bar(b),bar(c) and (bar(a)+bar(b)+bar(c))/(4) respectively then the positive vector of the orthocentre of the triangle is

Let G be the centroid of a triangle ABC and O be any other point, then bar(OA)+bar(OB)+bar(OC) is equal to

Let G be the centroid of a triangle ABC and O be any other point, then bar(OA)+bar(OB)+bar(OC) is equal to