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Fungrim entry: a42212

atan(x)x1+x\operatorname{atan}(x) \ge \frac{x}{1 + x}
Assumptions:x[0,)x \in \left[0, \infty\right)
TeX:
\operatorname{atan}(x) \ge \frac{x}{1 + x}

x \in \left[0, \infty\right)
Definitions:
Fungrim symbol Notation Short description
Atanatan(z)\operatorname{atan}(z) Inverse tangent
ClosedOpenInterval[a,b)\left[a, b\right) Closed-open interval
Infinity\infty Positive infinity
Source code for this entry:
Entry(ID("a42212"),
    Formula(GreaterEqual(Atan(x), Div(x, Add(1, x)))),
    Variables(x),
    Assumptions(Element(x, ClosedOpenInterval(0, Infinity))))

Topics using this entry

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2021-03-15 19:12:00.328586 UTC