– korendi túrlendiriwlerdiń biri: 1) eger $a>0, \, b>0, \, n\ge2$ bolsa, onda $$\sqrt[n]{a^n b}=\sqrt[n]{a^n}\cdot\sqrt[n]{b}=a\sqrt[n]{b};$$ 2) eger $a<0, \, b>0$ bolsa, onda $$\sqrt[2k]{a^{2k}b}=\sqrt[2k]{a^{2k}}\cdot\sqrt[2k]{b}=-a\sqrt[2k]{b}.$$