In a quadrilateral ABCD, `vec(AB) + vec(DC) =`

In a quadrilateral ABCD, vec(AB)=vec(b),vec(AD)=vec(d) and vec(AC)=m vec(b)+p vec(d)(m+p ge1) . The area of the quadrilateral ABCD is ……………..

In quadrilateral ABCD, vec(AB)=veca, vec(BC)=vecb, vec(AD)=vecb-veca If M is the mid point of BC and N is a point on DM such that DN=4/5 DM , then vec(AN)=

In a quadrilateral ABCD,vec AC is the bisector of the (vec AB^^vec AD) which is (2 pi)/(3),15|vec AC|=2|vec AB|=5|vec AD| then cos(vec BA^^vec CD) is

In quadrilateral ABCD,vec AB=vec a,vec BC=vec b,vec AD=vec b-vec a If M is the mid point of BC and N is a point on DM such that DN=(4)/(5)DM, then vec AN=

ABCD is a quadrilateral with vec(AB) = veca, vec(AD) = vecb and vec(AC)=2veca+3vecb. If its area is alpha times the area of the parallelogram with AB and AD as adjacent sides, then alpha=

ABCD is a quadrilateral. Forces vec(AB), vec(CB), vec(CD) and vec(DA) act along its sides. What is their resultant ?

ABCD is a quadrilateral. Force vec(AB), vec(CB), vec(CD) and vec(DA) act along its sides. What is their resultant ?

If ABCD is a quadrillateral such that vec(AB) = vec(i) + 2vec(j), vec(AD)= vec(j) + 2vec(k) and vec(AC)= 2 (vec(i) + 2vec(j)) + 3(vec(j) + 2vec(k)) , then area of the quadrilateral ABCD is