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The vectors vecAB = 3i + 4k and vecAC = ...

The vectors `vecAB = 3i + 4k and vecAC = 5i -2j + 4k` are the sides of a triangle ABC. The length of the median through A is :

A

`sqrt18`

B

`sqrt72`

C

`sqrt33`

D

`sqrt288`

Text Solution

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The correct Answer is:
C
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