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PadeApproximant[Tan[x], {x, 0, {3,2}}] + ContinuedFractionK[ (-1),(2 k - 1)/x,{k,1,3}]
PadeApproximant[Tan[x], {x, 0, {3,2}}] + ContinuedFractionK[ (-1),(2 k - 1)/x,{k,1,3}]
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