OFFSET
1,1
COMMENTS
There is almost a root at ~0.34746, but the graph stays negative.
REFERENCES
Steven R. Finch, Mathematical Constants, Volume 94, Encyclopedia of Mathematics and Its Applications, Cambridge University Press, 2003, Section 8.21, p. 539.
FORMULA
The real root of 2x^5 - 4x^4 - 5x^2 + 4x - 1.
EXAMPLE
2.3212850380324316571924935547666782714181391039367173485717852190489146497817...
MATHEMATICA
RealDigits[ Root[ 2 #1^5 - 4 #1^4 - 5 #1^2 + 4 #1 - 1 &, 1], 10, 111][[1]]
CROSSREFS
KEYWORD
AUTHOR
Robert G. Wilson v, May 13 2014
STATUS
approved