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Why is SolveCubic in CAS view not returning all solutions?
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When I enter
f(x) := x^3  4x  2
which has three real solutions, the command "Solve(f)" gives the three solutions numerically, but the command "SolveCubic(f)" only returns one of them:
{<solution>, ?, ?}
The other two solutions are given as question marks. How can I obtain the other two closedform solutions, as the documentation claims? I'm using version 6.0.562.0win.
Thank you!
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