Math Problem Statement
Найдите: а) векторное произведение векторов АВ и АС ; б) смешанное произведение векторов АВ , АС , АD и определите его геометрический смысл, если точки A, B, C, D имеют координаты A(5,-4,3) B(2,-1,8) C(4,5,-7) D(2,-4,-3)
Solution
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Math Problem Analysis
Mathematical Concepts
Vector Operations
Cross Product
Scalar Triple Product
Geometrical Interpretation of Vectors
Formulas
Cross product formula: A × B = |i j k| |Ax Ay Az| |Bx By Bz|
Scalar triple product formula: (A × B) · C
Theorems
The vector cross product is perpendicular to the plane formed by the vectors.
The scalar triple product gives the volume of the parallelepiped formed by three vectors.
Suitable Grade Level
Grades 10-12
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