Re: (-1)^(3/4) -> (-1+I)/Sqrt[2]

*To*: mathgroup at christensen.cybernetics.net*Subject*: [mg571] Re: [mg557] (-1)^(3/4) -> (-1+I)/Sqrt[2]*From*: danl (Daniel Lichtblau)*Date*: Sun, 19 Mar 1995 10:19:44 -0600

In[2]:= ComplexExpand[(-1)^(3/4)] // InputForm Out[2]//InputForm= (-1 + I)/2^(1/2) Daniel Lichtblau, WRI Begin forwarded message: >Date: Thu, 16 Mar 95 11:21:21 EST >To: mathgroup at christensen.cybernetics.net >From: wmm at chem.wayne.edu (Martin McClain) >Subject: [mg557] (-1)^(3/4) -> (-1+I)/Sqrt[2] >Content-Length: 268 Does anybody know a core or standard package command that makes transformations like (-1)^(3/4) -> (-1+I)/Sqrt[2] ? I would be happy with a method that works as well as, say, In[24]:= E^(-I 3 Pi/4) // ComplexToTrig Out[24]= 1 I (-(-) - -) Sqrt[2] 2 2