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DLMF:18.5#Ex11 - MaRDI portal

DLMF:18.5#Ex11 (Q6229)

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DLMF:18.5#Ex11
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    U 3 ( x ) = 8 x 3 - 4 x , Chebyshev-polynomial-second-kind-U 3 𝑥 8 superscript 𝑥 3 4 𝑥 {\displaystyle{\displaystyle U_{3}\left(x\right)=8x^{3}-4x,}}
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