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Find the distance between the skew lines with the given parametric equations. x = 2 +...

Find the distance between the skew lines with the given parametric equations.

x = 2 + t,   y = 3 + 6t,   z = 2t
x = 1 + 4s,   y = 5 + 15s,   z = -2 + 6s.

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