Equation Icon  a1a2a3 c1⋅⋅⋅c9,d1⋅⋅⋅d9,⋅⋅⋅,e1⋅⋅⋅e9,a1a2a3 E b1⋅⋅⋅bk = εb1c1⋅⋅⋅c9εb2d1⋅⋅⋅d9 ⋅⋅⋅εbke1⋅⋅⋅e9E , (8.97 )