1.

If |vecAxxvecB|=sqrt(3)vecA*vecB, then |vecA+vecB|=?

Answer»

`(A^2+B^2+AB)^(1/2)`
`(A^2+B^2+(AB)/SQRT(3))^(1/2)`
`A+B`
`(A^2+B^2+sqrt(3)AB)^(1/2)`

ANSWER :A


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