Equation Icon  š’œ′ = (L−1) e(L− 1) f(L −1)gš’œ , š’œ ′ = (L−1) b1 ⋅⋅⋅(L− 1) b6š’œ , etc.(9.122 ) abc a b c efg a1⋅⋅⋅a6 a1 a6 b1⋅⋅⋅b6