If D and E, are the midpoints of the sides AB and AC of a triangle ABC, prove that `vec(BE) +vec(DC)=(3)/(2)vec(BC).`

If D and E are the mid-points of sides AB and AC of a triangle ABC respectively, show that vec BE+vec DC=(3)/(2)vec BC

If D and E are the mid-points of sides AB and (AC of a triangle ABC respectively,show that )/(BE)+vec DC=(3)/(2)vec BC

If D is the midpoint of the side BC of a triangle ABC, prove that vec(AB)+vec(AC)=2vec(AD)

If D and E are the mid-points of sides AB and AC of a triangle A B C respectively, show that vec B E+ vec D C=3/2 vec B Cdot

If D is the midpoint of the side AB of a triagle ABC prove that vec(BC)+vec(AC)=-2vec(CD)

If M is the midpoint of the side vec(BC) of a triangle ABC, prove that vec(AB)+vec(AC) = 2vec(AM)

If D is the mid-point of the side BC of a triangle ABC, prove that vec AB+vec AC=2vec AD .

Let D, E, F are the midpoints of the sides bar(BC), bar(CA) " and " bar(AB) of the triangle ABC. Prove that vec(AD)+vec(BE)+vec(CF)=vec(0) .

If D,E,F are the mid points of the side BC,CA and AB respectively of a triangle ABC,write the value of vec AD+vec BE+vec CF

Let D, E and F be the middle points of the sides BC,CA and AB, respectively of a triangle ABC. Then prove that vec AD+vec BE+vec CF=vec 0