Crash when Solve for Integral with 15C

[Pekis]

Hello,

After u=x^3 substitution, is this the correct form ?

Integ(e^x^3 dx, 0, 6) = Integ(e^u/(3*u^(2/3)), 0, 216)

u=x^3 => dx=du/(3*x^2)
x=u^(1/3) => 3*x^2=3*u^(2/3)
=> dx=du/(3*u^(2/3))

Thanks