MathematicsMedium202×since 2002Q5848Let OA→=a⃗,OB→=12a⃗+4b⃗ and OC→=b⃗\overrightarrow{O A}=\vec{a}, \overrightarrow{O B}=12 \vec{a}+4 \vec{b} \text { and } \overrightarrow{O C}=\vec{b}OA=a,OB=12a+4b and OC=b, where O is the origin. If S is the parallelogram with adjacent sides OA and OC, then area of the quadrilateral OA BCarea of S\mathrm{{{area\,of\,the\,quadrilateral\,OA\,BC} \over {area\,of\,S}}}areaofSareaofthequadrilateralOABC is equal to _________.A7B6C8D10Check answerSkip