In parallelogram ABCD,`|bar(AB)|=a,|bar(AD)|=b and |bar(AC)|=c` then `bar(DB) .bar(AB)` has the value

Given a parallelogram ABCD . If |vec(AB)|=a, |vec(AD)| = b & |vec(AC)| = c , then vec(DB) . vec(AB) has the value

In a regular hexagon ABCDEF, bar(AB) + bar(AC)+bar(AD)+ bar(AE) + bar(AF)=k bar(AD) then k is equal to

In the figure shown below, E and G lie on bar(AC) , D and F lie on bar(AB), bar(DE) and bar(FG) are parallel to bar(BC) , and the given lengths are in feet. What is the length of bar(AC) , in feet?

In triangle ABC if bar(AB) =u/(|bar u|)-v/(|bar v|) and bar(AC)=(2bar u)/(|baru|) where |bar u| != |bar |v| then

Evaluate 3.bar(2)-0.bar(16)

In the Boolean algebra bar(A).bar(B) equals

In the circle above with diameter d, chords bar(PQ) and bar(TU) are parallel to diameter bar(RS) . If bar(PQ) and bar(TU) are each (3)/(4) of the length of bar(RS) , what is the distance between chords bar(PQ) and bar(TU) in terms of d?

Evaluate : 2.bar(7)+1.bar(3)