(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Show by manipulating the dummy indices, that

(Z[tex]\underline{abc}[/tex] + Z[tex]\underline{cab}[/tex] + Z[tex]\underline{bca}[/tex])X[tex]\overline{a}[/tex]X[tex]\overline{b}[/tex]X[tex]\overline{c}[/tex] = 3Z[tex]\underline{abc}[/tex]X[tex]\overline{a}[/tex]X[tex]\overline{b}[/tex]X[tex]\overline{c}[/tex]

2. Relevant equations

3. The attempt at a solution

This question comes from Ray D'Inverno's book - Introducing Einstein's Relativity and is on page 67 ex. 5.3

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# Homework Help: Tensor algabra, dummy indices manipulation

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