2018-07-15T12:12:13ZFluxBBhttp://www.mathisfunforum.com/viewtopic.php?id=24502I presume ɑ and β are the roots, which are complex. Since we are going to deal with their powers, best to convert them to cos–sin form:
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So the roots are
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one of them is ɑ, the other is β. Since the question doesn’t say which is which, you may as well take your pick. Now use De Moivre’s theorem.
]]>http://www.mathisfunforum.com/profile.php?id=2178212018-07-15T12:12:13Zhttp://www.mathisfunforum.com/viewtopic.php?pid=404815#p404815Question: If (3x^2)-2x+4=0 , Then Find α^19 , beta^-3]]>http://www.mathisfunforum.com/profile.php?id=2128082018-07-15T07:44:20Zhttp://www.mathisfunforum.com/viewtopic.php?pid=404810#p404810