Math Problem Statement

Jika v dan w adalah vektor satuan di R³, pada kondisi apa v.w juga menjadi vektor satuan di R³ ? Jelaskan jawaban Anda.

Solution

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Math Problem Analysis

Mathematical Concepts

Vector Algebra
Dot Product
Unit Vectors

Formulas

Dot Product: v ⋅ w = |v| |w| cos θ

Theorems

Unit Vector Properties
Dot Product Theorem

Suitable Grade Level

Undergraduate Level (University)