The vectors \ov { A B } = 3 \ov { i } + 4 \ov { k } and \ov { A C } = 5 \ov { i } - 2 \ov { j } + 4 \ov { k } are the sides of a triangle ABC. The length of the median through 'A' is

AP and TS EAMCET Engineering Model Paper 9

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The vectors AB=3i+4k and AC=5i−2j+4k are the sides of a triangle ABC. The length of the median through 'A' is

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