Math Problem Statement

Bestäm (kortaste) avståndet mellan linjen som går genom punkterna

(−1,1,−1) samt (−7,4,0)

och linjen som ges av ekvationerna

1+x

4−z , y=−7 .

Solution

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Math Problem Analysis

Mathematical Concepts

Vector Geometry
Distance Between Lines
Cross Product
Dot Product

Formulas

Parametric equation of a line: r(t) = r0 + t*v
Distance between two skew lines: d = |(P1P2 ⋅ n)| / |n|
Cross product: r1 × r2
Dot product: a ⋅ b

Theorems

Shortest Distance Between Two Skew Lines
Cross Product Theorem

Suitable Grade Level

Grades 11-12