- #1
newton1
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i need help...
prove SUM(k) [E(ijk)E(lmk)]= d(il)d(jm) - d(im)d(jl)
where "d" is Kronecker delta symbol and "E" is permutation symbol or
Levi-Civita density
prove SUM(k) [E(ijk)E(lmk)]= d(il)d(jm) - d(im)d(jl)
where "d" is Kronecker delta symbol and "E" is permutation symbol or
Levi-Civita density
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