Question

Упростите выражение:

Answer 1

1/(∛a-∛b) -(∛a²+∛b²)/((∛a-∛b)(∛a²+∛(ab)+∛b²)=
=(∛a²+∛(ab)+∛b-∛a²-∛b²)/(a-b)=∛(ab)/(a-b)