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Homework Statement
Prove the following:
[itex]\varepsilon_{ijk}=
\left| \begin{array}{ccc}
\delta_{1i} & \delta_{1j} & \delta_{1k} \\
\delta_{2i} & \delta_{2j} & \delta_{2k} \\
\delta_{3i} & \delta_{3j} & \delta_{3k}
\end{array} \right|[/itex]
Homework Equations
From my textbook:
[itex]\hat{e}_3 = \hat{e}_1 \times \hat{e}_2, \quad \hat{e}_1 = \hat{e}_2 \times \hat{e}_3, \quad \ldots \quad \varepsilon_{ijk} \hat{e}_k = \hat{e}_i \times \hat{e}_j \\
\delta_{ij} = \hat{e}_i \cdot \hat{e}_j [/itex]
From a website:
[itex] \varepsilon_{ijk} = (\hat{e}_i \times \hat{e}_j)\cdot\hat{e}_k [/itex]
The Attempt at a Solution
I don't even know where to start. My textbook says I should be able to prove the determinant proof using those two relations they provide; however, I have not been able to prove anything.
It seems as though every continuum mechanics book I've ever seen likes to say "it's easy to show the determinant proof." Apparently it's so easy that no book feels the need to show the derivation. Am I missing any relations? Can someone give me hints or "suggestions" to get me going in the right direction?
Thanks.
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