How to calculate (-3)^(1/3) in real numbers

[tranleduy2000]

[axkr]

Because there is no symbolic representation you can try the numeric mode for Surd or CubeRoot:

   Surd(-3, 3) // N

  CubeRoot(-3) // N

or you can try NSolve to also get the complex values:

  NSolve(x^3 + 3 == 0, x)

[tranleduy2000]

Thanks for your support.