Suppose that l1(t) = ta1 + b1 and l2(t) = ta2 + b2 are skew lines in R3. Use the
Chapter 1, Problem 39(choose chapter or problem)
Suppose that l1(t) = ta1 + b1 and l2(t) = ta2 + b2 are skew lines in R3. Use the geometric reasoning of Example 9 to show that the distance D between these lines is given by D = |(a1 a2)(b2 b1)| a1 a2
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