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Let \overrightarrowOA=\vec a,\ \overrightarrowOB=12\vec a+4\vec b and \overrightarrowOC=\vec b, where O is the origin. If S is the parallelogram with adjacent sides OA and OC, then \dfrac\textarea of quadrilateral OABC\textarea of S is equal to: | Watch the step-by-step video solution for this NIMCET PYQ.