(-1)^(1/4)?

• Subject: (-1)^(1/4)?
• From: Raymond Toy
• Date: 25 Sep 2001 13:48:22 -0400

Currently, maxima says

(C21) solve(x^4+1=0,x);

		1/4		   1/4		   1/4		    1/4
(D21) [x = (- 1)    %I, x = - (- 1)   , x = - (- 1)    %I, x = (- 1)   ]

which is right, but I expected the answer to be powers of
(1+%i)/sqrt(2).  I could add the rule

tellsimp((-1)^(1/4), (1+%i)/sqrt(2))

to get what I want.

A bug?

Ray

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