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ABCD is a quadrilateral with vec(AB) = v...

ABCD is a quadrilateral with `vec(AB) = veca, vec(AD) = vecb and vec(AC)=2veca+3vecb.` If its area is `alpha` times the area of the parallelogram with AB and AD as adjacent sides, then `alpha=`

A

5

B

`(5)/(2)`

C

1

D

`(1)/(2)`

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AAKASH INSTITUTE-VECTOR ALGEBRA-ASSIGNMENT (SECTION-B)
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