Вопрос в картинках...

Question

Решите задачу:

Answer 1

X^(6/5)-x^(3/5)-2=0
x^(3/5)=t  t>0
t^2-t-2=0
t1=2
t2=-1
x^(3/5)=2
(x^(3/5))^(5/3)=2^(5/3)
x=2∛4