Equation Icon  𝒜 = 1 + a2y− 4 + 2a2y −6, ℬ = 1 + a y−3, ∗ ∗ ∗ 𝒞 = 1 − 3y− 2 + 2a∗y −3, 𝒟 = 1 − 2y−2 + a2∗y− 4, 1 + a∗y−3 ℰ = 1 + 4a2∗y −4 − 4a2∗y−6 + 3a4∗y−8 𝒬0 = --------−-2-------−3-1∕2, y(1 − 3y + 2a ∗y )