$4\psi_1\Big(\frac{1}{5}\Big)+\psi_1\Big(\frac{2}{5}\Big)-\psi_1\Big(\frac{1}{10}\Big)$ ifadesinin en sade halini bulun

Question

$\psi_1(x)$ trigama fonksiyonu olmak üzere :

$$4\psi_1\bigg(\frac{1}{5}\bigg)+\psi_1\bigg(\frac{2}{5}\bigg)-\psi_1\bigg(\frac{1}{10}\bigg)$$

İfadesinin en sade halini bulun.