A198830 - OEIS

A198830

Decimal expansion of x>0 satisfying x^2-3*cos(x)=4.

1, 8, 1, 2, 0, 0, 6, 2, 8, 9, 8, 3, 9, 4, 2, 3, 4, 2, 8, 9, 7, 7, 3, 2, 0, 9, 3, 8, 2, 4, 0, 6, 6, 7, 8, 4, 8, 6, 2, 7, 8, 5, 7, 2, 9, 8, 9, 1, 9, 1, 5, 8, 1, 1, 2, 0, 8, 2, 3, 6, 5, 5, 0, 1, 7, 8, 3, 0, 9, 3, 4, 7, 2, 9, 7, 5, 3, 6, 4, 2, 7, 1, 5, 3, 8, 6, 1, 9, 9, 7, 6, 0, 5, 9, 2, 2, 0, 0, 6

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OFFSET

1,2

COMMENTS

See A198755 for a guide to related sequences. The Mathematica program includes a graph.

LINKS

Table of n, a(n) for n=1..99.

EXAMPLE

x=1.812006289839423428977320938240667848627857298919...

MATHEMATICA

a = 1; b = -3; c = 4;

f[x_] := a*x^2 + b*Cos[x]; g[x_] := c