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A199374
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Decimal expansion of x>0 satisfying x^2+2*x*sin(x)=2.
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2
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8, 5, 0, 0, 7, 4, 7, 5, 9, 9, 6, 3, 1, 0, 1, 7, 0, 7, 4, 5, 0, 5, 8, 0, 6, 1, 6, 8, 2, 6, 7, 8, 1, 3, 9, 4, 1, 9, 9, 6, 6, 9, 7, 0, 2, 3, 0, 0, 2, 6, 2, 7, 3, 2, 3, 7, 6, 5, 4, 3, 7, 7, 7, 1, 4, 3, 0, 3, 2, 7, 6, 0, 1, 5, 6, 8, 7, 3, 9, 4, 2, 2, 2, 3, 9, 8, 9, 3, 2, 7, 4, 6, 7, 9, 5, 3, 0, 7, 4
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OFFSET
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0,1
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COMMENTS
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See A199370 for a guide to related sequences. The Mathematica program includes a graph.
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LINKS
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EXAMPLE
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x=0.8500747599631017074505806168267813941...
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MATHEMATICA
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a = 1; b = 2; c = 2;
f[x_] := a*x^2 + b*x*Sin[x]; g[x_] := c
Plot[{f[x], g[x]}, {x, -1, Pi}, {AxesOrigin -> {0, 0}}]
r = x /. FindRoot[f[x] == g[x], {x, .85, .86}, WorkingPrecision -> 110]
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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