Math Problem Statement

АВСD- параллелограмм. А(-2;3;1); В(-1;1;4), D(0;4;0). Найдите координаты вершины С и проекцию вектора ВС на направление вектора CD.

Solution

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Math Problem Analysis

Mathematical Concepts

Vector Algebra
Geometry of Parallelograms
Vector Projection

Formulas

AB = CD
Projection of vector BC on CD: proj_CD(BC) = (BC · CD / |CD|^2) * CD
Vector coordinates: BC = (C_x - B_x, C_y - B_y, C_z - B_z)

Theorems

Diagonal property of a parallelogram
Vector dot product

Suitable Grade Level

Undergraduate level (Mathematics or Engineering courses)