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The points are given by and .
Find the distance between the points and . (Distance formula in space)
(Substitute)
(Product of two same signs is positive) (Simplify)
(Evaluate powers)
(Add: )
Find the midpoint of the points and .
(Substitute)
(Product of two op[posite signs is negative)
(Simplify)
(Divide)
The value of and mid point is .
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