`ABCD` is parallelogram. If `L and M` are the middle points of BC and CD, then `bar(AL)+bar(AM)` equals

ABCD is a parallelogram. If L and M be the middle points of BC and CD, respectively express vec(AL) and vec(AM) in terms of vec(AB) and vec(AD) . Also show that vec(AL)+vec(AM)=(3//2)vec(AC) .

ABCD is a parallelogram . If L arid M and the middle points of BC and CD respec tively, then find AL and AM interms of AB and AD

ABCD is a parallelogram If M and N are the midpoints of BC and DC respectively,If bar(AM)+bar(AN)=lambda(bar(AC)) then value of lambda

ABCD is a parallelogram . If L arid M and the middle points of BC and CD respec tively, then find lambda , if AM = lambda AD - LM

ABCD is a parallelogram.If L and M are the mid-points of BC and DC respectively,then express vec AL and vec AM in terms of vec AB and vec AD Also,prove that vec AL+vec AM=(3)/(2)vec AC .

ABCD is a parallelogram, E and F are the mid-points of BC and CD. Find the ratio of area of parallelogram ABCD and DeltaAEF

ABCD is a parallelogram, P and Q are the mid-points of the sides bar(AB) " and " bar(DC) respectively. Show that bar(DP) " and " bar(BQ) trisect bar(AC) and are trisected by bar(AC) .

ABCD is a parallelogram and P is the midpoint of the side bar(BC) . Prove that bar(AC) " and " bar(DP) meet in a common point of trisection.