Evaluate the Integral $\int_{-1 / \sqrt{3}}^{1 / \sqrt{3}} \frac{e^{\arctan y}}{1+y^{2}} d y$

Short Answer

Evaluate the integral. $\int_{-1 / \sqrt{3}}^{1 / \sqrt{3}} \frac{e^{\arctan y}}{1+y^{2}} d y$