The vectors bar(AB)=3overset(^)i+5overse...

The vectors `bar(AB)=3overset(^)i+5overset(^)j+4overset(^)k and bar(AC)=5overset(^)i-5overset(^)j+2overset(^)k` are sides of a triangle `ABC` The length of the median through A is

`sqrt13` units

`2sqrt5` units

5 units

10 units

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