Math Problem Statement
Bestäm (kortaste) avståndet mellan linjen som går genom punkterna
(−3,−5,−4) samt (−2,−6,−7)
och linjen som ges av ekvationerna
3+x=1+1/2 y=1+1/2 z
Solution
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Math Problem Analysis
Mathematical Concepts
Vector Algebra
Line Parametrization
Cross Product
Distance Between Lines
Formulas
Parametric form of a line: r(t) = r_0 + tv
Distance between two lines: d = |(r2(0) - r1(0)) ⋅ (v1 × v2)| / |v1 × v2|
Cross product: v1 × v2 = |i j k| |v1_x v1_y v1_z| |v2_x v2_y v2_z|
Theorems
Cross Product Theorem
Vector Distance Formula
Suitable Grade Level
Grades 10-12
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