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$In △ A B C if A B = \sqrt{2}, A C = \sqrt{20}, B = (3, 2, 0) and C = (0, 1, 4) then the length of the median passing through A is$

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Correct option is C

AB=2,AC=20,B=(3,2,0) and C=(0,1,4) Now BC=26 ∴length of the median through A=122b2+2c2-a2 =32

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In △ABC if AB=2,AC=20,B=(3,2,0) and C=(0,1,4) then the length of the median passing through A is

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$In △ A B C if A B = \sqrt{2}, A C = \sqrt{20}, B = (3, 2, 0) and C = (0, 1, 4) then the length of the median passing through A is$