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\( \DeclareMathOperator{\abs}{abs} \newcommand{\ensuremath}[1]{\mbox{$#1$}} \)
(%i1)
load
(
odes
)
;
\[\tag{\%{}o1}\label{o1} /usr/share/maxima/5.38.1/share/contrib/odes/odes.mac\]
(%i2)
eq
:
x
^
3
-
3
*
x
-
1
=
0
;
\[\tag{eq}\label{eq}{{x}^{3}}-3x-1=0\]
(%i3)
solvet
(
eq
,
x
)
;
\[\tag{\%{}o3}\label{o3} [x=2\cos{\left( \frac{\ensuremath{\pi} }{9}\right) },x=2\cos{\left( \frac{5\ensuremath{\pi} }{9}\right) },x=2\cos{\left( \frac{7\ensuremath{\pi} }{9}\right) }]\]
(%i4)
solve
(
eq
,
x
)
;
\[\tag{\%{}o4}\label{o4} [x=\left( -\frac{\sqrt{3}\%{}i}{2}-\frac{1}{2}\right) \,{{\left( \frac{\sqrt{3}\%{}i}{2}+\frac{1}{2}\right) }^{\frac{1}{3}}}+\frac{\frac{\sqrt{3}\%{}i}{2}-\frac{1}{2}}{{{\left( \frac{\sqrt{3}\%{}i}{2}+\frac{1}{2}\right) }^{\frac{1}{3}}}},x=\left( \frac{\sqrt{3}\%{}i}{2}-\frac{1}{2}\right) \,{{\left( \frac{\sqrt{3}\%{}i}{2}+\frac{1}{2}\right) }^{\frac{1}{3}}}+\frac{-\frac{\sqrt{3}\%{}i}{2}-\frac{1}{2}}{{{\left( \frac{\sqrt{3}\%{}i}{2}+\frac{1}{2}\right) }^{\frac{1}{3}}}},x={{\left( \frac{\sqrt{3}\%{}i}{2}+\frac{1}{2}\right) }^{\frac{1}{3}}}+\frac{1}{{{\left( \frac{\sqrt{3}\%{}i}{2}+\frac{1}{2}\right) }^{\frac{1}{3}}}}]\]
Created with
wxMaxima
.