Inequalities comparing $(a+b)^p−a^p−b^p$ and $a^{p−1}b+ab^{p−1}$

Inequalities comparing $(a + b)^{p} - a^{p} - b^{p}$ and $a^{p - 1} b + a b^{p - 1}$

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Graham Jameson, Inequalities comparing $(a + b)^{p} - a^{p} - b^{p}$ and $a^{p - 1} b + a b^{p - 1}$ . Elem. Math. 69 (2014), no. 3, pp. 156–161