Journal of Mathematical Inequalities · Volume 18, Issue 3

On convexity and power series expansion for logarithm of normalized tail of power series expansion for square of tangent

18-51 Pages 937-952 DOI 10.7153/jmi-2024-18-51

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Authors

Gui-Zhi Zhang Feng Qi

Keywords

Maclaurin power series expansion normalized tail tangent square logarithm convexity monotonicity rule derivative formula ratio

Subject classes

41A58 26A06 26A09 26A48 26A51 33B10