OFFSET
1,1
EXAMPLE
arclength = 2.03762235985767948861624584746725394131152...
MATHEMATICA
s = Integrate[Sqrt[1 + D[Sqrt[1 + x^2], x]^2], {x, 0, Sqrt[3]}]
r = N[s, 200]
RealDigits[r][[1]]
CROSSREFS
KEYWORD
AUTHOR
Clark Kimberling, Jun 15 2020
STATUS
approved