Equation Icon  ∫ [ − 1 1-( ac bd ab cd ) Sā„°10āˆ•š’¦ (ā„°10) = dtn (t) 4 g (t)g (t) − g (t)g (t) ∂gab(t) ∂gcd(t) + --1--š’Ÿ š’œa a a (t)š’Ÿ š’œa1a2a3(t) + -1--š’Ÿ š’œa ⋅⋅⋅a (t)š’Ÿ š’œa1⋅⋅⋅a6(t) 2 ⋅ 3! 1 2 3 2 ⋅ 6!] 1 6 -1--- a|b1⋅⋅⋅b8 + 2 ⋅ 9!š’Ÿ š’œa |b1⋅⋅⋅b8(t) š’Ÿ š’œ (t) + ⋅⋅⋅ , (9.133 )