Question

a+b/ a2/3 - a 1/3 b1/3 +b2/3

Answer 1

Ответ:

(а^(1/3)+b^(1/3))*((a^(2/3))-(a^(1/3))*(b^(1/3))+(b^(2/3)))

-------------------------------------------=

(a^(2/3))-(a^(1/3))*(b^(1/3))+(b^(2/3))

=(а^(1/3)+b^(1/3))

По фсу суммы кубов.

Объяснение: