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For the any two vecrtors vecA and vecB, ...

For the any two vecrtors `vecA` and `vecB`, if `vecA.vecB=|vecAxxvecB|`, the magnitude of `vecC=vecA+vecB` is equal to

A

`sqrt(A^(2)+B^(2)`

B

`A+B`

C

`sqrt(A^(2)+B^(2)+(AB)/(sqrt(2)))`

D

`sqrt(A^(2)+B^(2)+sqrt(2)xxAB)`

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The correct Answer is:
D
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