Abstract
We point out that the proof of Theorem 1.6 in the paper [2] by B. A. Bhayo and J. Sándor contains a mistake. Correcting this mistake is the main aim of this note.
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Acknowledgement
The author is indebted to anonymous referee for constructive remarks.
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Bagul, Y.J. On a Result of Bhayo and Sándor. Anal Math 47, 33–36 (2021). https://doi.org/10.1007/s10476-020-0060-8
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DOI: https://doi.org/10.1007/s10476-020-0060-8
Key words and phrases
- Trigonometric and hyperbolic inequalities
- l’Hôpital’s rule for monotonicity
- increasing and decreasing functions