Math Problem Statement
∑ 3 k=1 ϵijkϵpqk = δipδjq − δiqδjp (b) 上記の恒等式を用いて,以下を正規直交座標系の成分によって証明せよ. a × (b × c) = (a · c)b − (a · b)c
Solution
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Math Problem Analysis
Mathematical Concepts
Vector Calculus
Tensor Notation
Cross Product
Kronecker Delta
Epsilon Tensor
Formulas
∑k=1^3 εijk εpqk = δip δjq − δiq δjp
a × (b × c) = (a · c)b − (a · b)c
Theorems
Vector Triple Product Identity
Kronecker Delta Identity
Suitable Grade Level
University (Advanced Undergraduate or Graduate Level)