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If |vec(a)|=sqrt3, |vec(b)|=2, (vec(a), ...

If `|vec(a)|=sqrt3, |vec(b)|=2, (vec(a), vec(b))= (pi)/(3)`, then the area of the triangle with adjacent sides `vec(a) + 2vec(b) and 2vec(a) + vec(b)` (in sq.u) is

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30 sq units
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