\(\[\begin{align} & Temos: \\ & 2\text{ }+\text{ }Z\text{ }x\text{ }0\text{ }\left( ez\text{ }+z \right)\text{ }1\text{ }/z\text{ }dz \\ & \underset{x\to +\infty }{\mathop{\lim }}\,\to {{a}^{c}}=c \\ & Logo: \\ & \underset{x\to +\infty }{\mathop{\lim }}\,\to {{a}^{c}}=c=0 \\ & 2+0 \\ & \text{Portanto:} \\ & =2 \\ \end{align}\] \)