31-07-2015, 14:41
Es el ejercicio 10) Reduzca a la minima expresion
\[\left ( \frac{1}{y} - \frac{3}{1-y^{2}}+\frac{2}{1-y}+\frac{1}{y+1} \right ): \frac{1}{-y^{2}-y}\]
\[\left ( \frac{1}{y} - \frac{3}{1-y^{2}}+\frac{2}{1-y}+\frac{1}{y+1} \right ): \frac{1}{-y^{2}-y}\]