[" 2.If "AD,BE" and "CF" be the medians of a "Delta ABC" ,prove that "],[qquad vec A+vec BE+vec CF=0]

If AD, BE and CF be the median of a /_\ABC , prove that vec(AD)+vec(BE)+vec(CF) =0

If AD, BE and CF be the median of a /_\ABC , prove that vec(AD)+vec(BE)+vec(CF) =0

If G is the centroid of a triangle ABC, prove that vec GA+vec GB+vec GC=vec 0

AD BE and CF are the medians of a Delta ABC .Prove that 2(AD+BE+CF)<3(AB+BC+CA)<4(AD+BE+CF)

If AD, BE and CF are medians of triangle ABC then prove that median AD divides line segment EF.

If AD , BE and CF are medians of DeltaABC , then bar(AD) + bar(BE) + bar(CF) =

If G is the centroid of a triangle ABC, prove that vec(GA)+vec(GB)+vec(GC) = 0

If AD, BE and CF are the medians of a Delta ABC, then evaluate (AD^(2)+BE^(2)+CF^(2)): (BC^(2) +CA^(2) +AB^(2)).

If AD, BE and CF are the medians of a Delta ABC, then evaluate (AD^(2)+BE^(2)+CF^(2)): (BC^(2) +CA^(2) +AB^(2)).