⁴√а ⁴√а 1 b²
------------------- = ---------------------- = ------------- = ----------
b⁻⁴* ⁴√b⁸a³ b⁻⁴ * ab² *⁴√a b⁻²a a
1 b(√³⁺¹)² b⁽√³^⁽²⁾ ⁺²√³⁺¹⁾
(b√³⁺¹)√³⁺¹⁾ * -------------- = --------------- = -------------------------- =
b⁴⁺√³ b⁴ *b√³ b⁴ *b√³
b⁽⁴ ⁺²√³ b⁴ *b²√³
= ----------------- = ---------------------- = b√³
b⁴ *b√³ b⁴ *b√³