Formula:KLS:09.08:71

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e x t \HyperpFq 01 @ @ - 3 2 ( x 2 - 1 ) t 2 4 = n = 0 U n ( x ) ( n + 1 ) ! t n 𝑥 𝑡 \HyperpFq 01 @ @ 3 2 superscript 𝑥 2 1 superscript 𝑡 2 4 superscript subscript 𝑛 0 Chebyshev-polynomial-second-kind-U 𝑛 𝑥 𝑛 1 superscript 𝑡 𝑛 {\displaystyle{\displaystyle{\displaystyle{\mathrm{e}^{xt}}\,\HyperpFq{0}{1}@@% {-}{\frac{3}{2}}{\frac{(x^{2}-1)t^{2}}{4}}=\sum_{n=0}^{\infty}\frac{U_{n}\left% (x\right)}{(n+1)!}t^{n}}}}

Proof

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Symbols List

e e {\displaystyle{\displaystyle{\displaystyle\mathrm{e}}}}  : the base of the natural logarithm : http://dlmf.nist.gov/4.2.E11
F q p subscript subscript 𝐹 𝑞 𝑝 {\displaystyle{\displaystyle{\displaystyle{{}_{p}F_{q}}}}}  : generalized hypergeometric function : http://dlmf.nist.gov/16.2#E1
Σ Σ {\displaystyle{\displaystyle{\displaystyle\Sigma}}}  : sum : http://drmf.wmflabs.org/wiki/Definition:sum
U n subscript 𝑈 𝑛 {\displaystyle{\displaystyle{\displaystyle U_{n}}}}  : Chebyshev polynomial of the second kind : http://dlmf.nist.gov/18.3#T1.t1.r11

Bibliography

Equation in Section 9.8 of KLS.

URL links

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