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Fungrim entry: 75eacb

U1 ⁣(x)=2xU_{1}\!\left(x\right) = 2 x
Assumptions:x∈Cx \in \mathbb{C}
TeX:
U_{1}\!\left(x\right) = 2 x

x \in \mathbb{C}
Definitions:
Fungrim symbol Notation Short description
ChebyshevUUn ⁣(x)U_{n}\!\left(x\right) Chebyshev polynomial of the second kind
CCC\mathbb{C} Complex numbers
Source code for this entry:
Entry(ID("75eacb"),
    Formula(Equal(ChebyshevU(1, x), Mul(2, x))),
    Variables(x),
    Assumptions(Element(x, CC)))

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2019-06-18 07:49:59.356594 UTC