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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

A

`(9 sqrt3)/(2)`

B

`(9)/(2)`

C

`(sqrt3)/(2)`

D

`9sqrt3`

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A
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AAKASH SERIES-VECTOR (CROSS) PRODUCT OF TWO VECTORS-Exercise-II
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  11. The perpendicular distance of any point vec(a) on to the line vec(r )=...

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  19. If vec(a) is a unit vector and vec(a) xx vec(i) = vec(j), then vec(a)....

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