2/3 2 / 1 \ x *|1 + ------| | 3 | \ x - 1/
x^2*(1 + 1/(x^3 - 1))^(2/3) при x = 2
x^2*(1 + 1/(x^3 - 1))^(2/3)
(2)^2*(1 + 1/((2)^3 - 1))^(2/3)
2^2*(1 + 1/(2^3 - 1))^(2/3)
16*7^(1/3)/7
x^2*(1.0 + 1/(-1.0 + x^3))^0.666666666666667
2/3 / 3 \ 2 | x | x *|-------| | 3| \-1 + x /
2/3 / 3 \ 2 | x | x *|-------| | 3| \-1 + x /
2/3 / 3 \ 2 | x | x *|-------| | 3| \-1 + x /