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Find |veca-vecb|, if two vectors veca an...

Find `|veca-vecb|`, if two vectors `veca` and `vecb` are such that `|veca|=2,|vecb|=3` and `veca*vecb=4`.

A

3

B

`sqrt5`

C

5

D

`sqrt7`

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The correct Answer is:
B
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