Simplification: (a ^ 4-A ^ 2B ^ 2 / A & # 178; - 2Ab + B & # 178;) / (A & # 178; + AB / B & # 178;) × (B & # 178 / / a)

Simplification: (a ^ 4-A ^ 2B ^ 2 / A & # 178; - 2Ab + B & # 178;) / (A & # 178; + AB / B & # 178;) × (B & # 178 / / a)

The original formula = A & # 178; (a + b) (a-b) / (a-b) &# 178; × B & # 178 / / a (a + b) × B & # 178 / / A
=b^4/(a-b)