Найдите значение выражения \(\sqrt[4]{(-a)^4 \cdot a^2}\) при a = 5.

\(\sqrt[4]{(-a)^4 \cdot a^2}\) = \(\sqrt[4]{a^4 \cdot a^2}\) = \(\sqrt[4]{a^6}\) = a^{6/4} = a^{3/2}. For a=5, the value is 5^{3/2} = \(\sqrt{5^3}\) = \(\sqrt{125}\) = 5\(\sqrt{5}\).