OFFSET
1,1
COMMENTS
FORMULA
greatest: (4 cos[1/3 arctan[sqrt[37/3]/3]])/sqrt[3]
middle:
-((2 cos[1/3 arctan[sqrt[37/3]/3]])/sqrt[3]) + 2 sin[1/3 arctan[sqrt[37/3]/3]]
least:
-((2 cos[1/3 arctan[sqrt[37/3]/3]])/sqrt[3]) - 2 sin[1/3 arctan[sqrt[37/3]/3]]
EXAMPLE
greatest root: 2.214319743377535187...
middle root: -0.539188872810889116...
least root: -1.67513087056664607088...
MATHEMATICA
CROSSREFS
KEYWORD
AUTHOR
Clark Kimberling, May 30 2018
STATUS
approved