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[" 2.If the vectors "vec AB=3hat i+4hat ...

[" 2.If the vectors "vec AB=3hat i+4hat k" and "],[[AC=5hat i-2hat j+4hat k" are the sides of atriangle ABC,"],[" then the length of the median through "A" is "],[[" (1) "sqrt(18)," (2) "sqrt(72)],[" (3) "sqrt(33)," (4) "sqrt(45)]]]

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