OFFSET
1,2
COMMENTS
FORMULA
greatest root: -(2/3) + 8/3 cos[1/3 arctan[(3 sqrt[303])/37]]
middle: -(2/3) - 4/3 cos[1/3 arctan[(3 sqrt[303])/37]] + (4 sin[1/3 arctan[(3 sqrt[303])/37]])/sqrt[3]
least: -(2/3) - 4/3 cos[1/3 arctan[(3 sqrt[303])/37]] - (4 sin[1/3 arctan[(3 sqrt[303])/37]])/sqrt[3]
EXAMPLE
greatest root: 1.8661982625090225055...
middle root: -1.2107558809591917224...
least root: -2.6554423815498307831...
MATHEMATICA
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Clark Kimberling, Jul 21 2018
STATUS
approved