DLMF:18.12.E10 (Q5652)

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DLMF:18.12.E10
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    Statements

    Defining formula
    1 1 - 2 ⁢ x ⁢ z + z 2 = ∑ n = 0 ∞ U n ⁡ ( x ) ⁢ z n , 1 1 2 𝑥 𝑧 superscript 𝑧 2 superscript subscript 𝑛 0 Chebyshev-polynomial-second-kind-U 𝑛 𝑥 superscript 𝑧 𝑛 {\displaystyle{\displaystyle\frac{1}{1-2xz+z^{2}}=\sum_{n=0}^{\infty}U_{n}% \left(x\right)z^{n},}}
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    DLMF id
    DLMF:18.12.E10
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    constraint
    | z | < 1 𝑧 1 {\displaystyle{\displaystyle|z|<1}}
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    Symbols used
    Q11661
    Defining formula
    U n ⁡ ( x ) Chebyshev-polynomial-second-kind-U 𝑛 𝑥 {\displaystyle{\displaystyle U_{\NVar{n}}\left(\NVar{x}\right)}}
    xml-id
    C18.S3.T1.t1.r5.m2adec
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