Math Problem Statement
Даны два вектора а=(8,4,1), б=(2,-2,1). Найти вектор с, компланарный векторам а и б, перпендикулярный к вектору а, равный ему по длине и образующий с вектором б тупой угол
Solution
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Math Problem Analysis
Mathematical Concepts
Linear Algebra
Vector Operations
Dot Product
Scalar Multiplication
Geometry of Vectors
Formulas
Vector expression: c = λa + μb
Perpendicularity condition: c · a = 0
Length of vector: |c| = |a|
Dot product: c · b < 0
Theorems
Dot Product Theorem
Perpendicularity Condition
Scalar Multiplication Theorem
Magnitude of a Vector
Suitable Grade Level
Undergraduate Level (Linear Algebra)
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