Выполните вычитание (a-5)/(5a^3)-(1-a)/a^4.

\[\frac{a - 5^{\backslash a}}{5a^{3}} - \frac{1 - a^{\backslash 5}}{a^{4}} = \frac{a^{2} - 5a - 5 + 5a}{5a^{4}} =\]

\[= \frac{a^{2} - 5}{5a^{4}}\]