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 A199182 Decimal expansion of least x satisfying x^2+3*x*cos(x)=1. 4
 1, 3, 6, 0, 6, 7, 2, 7, 7, 2, 5, 1, 3, 7, 9, 7, 2, 1, 5, 2, 2, 8, 6, 0, 2, 7, 4, 8, 7, 3, 7, 9, 9, 2, 5, 8, 8, 0, 9, 6, 8, 6, 2, 8, 0, 8, 5, 7, 6, 1, 8, 0, 9, 4, 7, 4, 5, 8, 1, 9, 1, 7, 7, 1, 9, 7, 1, 2, 0, 7, 6, 2, 0, 8, 6, 5, 3, 3, 7, 9, 2, 3, 5, 3, 1, 4, 1, 9, 0, 8, 0, 8, 3, 3, 8, 2, 9, 4, 0 (list; constant; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS See A199170 for a guide to related sequences.  The Mathematica program includes a graph. LINKS EXAMPLE least: -1.3606727725137972152286027487379925... greatest: 3.27746466341373058734587727791083... MATHEMATICA a = 1; b = 3; c = 1; f[x_] := a*x^2 + b*x*Cos[x]; g[x_] := c Plot[{f[x], g[x]}, {x, -2 Pi, 2 Pi}, {AxesOrigin -> {0, 0}}] r = x /. FindRoot[f[x] == g[x], {x, -1.4, -1.3}, WorkingPrecision -> 110] RealDigits[r]   (* A199182  least of four roots *) r = x /. FindRoot[f[x] == g[x], {x, 3.27, 3.28}, WorkingPrecision -> 110] RealDigits[r]  (* A199183   greatest of four roots *) CROSSREFS Cf. A199170. Sequence in context: A010470 A181916 A077590 * A011368 A020811 A200005 Adjacent sequences:  A199179 A199180 A199181 * A199183 A199184 A199185 KEYWORD nonn,cons AUTHOR Clark Kimberling, Nov 04 2011 STATUS approved

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Last modified January 18 16:40 EST 2019. Contains 319271 sequences. (Running on oeis4.)