1.

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

Answer»

`(9 SQRT3)/(2)`
`(9)/(2)`
`(sqrt3)/(2)`
`9sqrt3`

ANSWER :A


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