Math Problem Statement

a(2; 1; 0) b(1; 0; 1) c(4; 2; 1) d(3; 1; 3) Лучи OA; OB; OC являются ребрами трехгранного угла T. Лежит ли

точка D внутри T, вне T, на одной из границ T (на какой)

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Solution

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Math Problem Analysis

Mathematical Concepts

Vector Analysis
Linear Combinations
Geometry of Polyhedra

Formulas

Linear combination of vectors: \( \overrightarrow{OD} = x \cdot \overrightarrow{OA} + y \cdot \overrightarrow{OB} + z \cdot \overrightarrow{OC} \)
System of linear equations for vector coordinates

Theorems

Conditions for a point to lie within or on the boundary of a 3D angle

Suitable Grade Level

Grades 11-12