DLMF:18.12.E10 (Q5652)

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DLMF:18.12.E10
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    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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