Question

The value of the integral $\int_{0}^{\infty} \frac{dx}{e^x + e^{-x}}$ is:

• A. 0
• B. $\frac{\pi}{4}$
• C. $\frac{\pi}{2}$
• D. $\pi$

Answer 1

Answer: (B)

$\frac{\pi}{4}$

Answer 2

The correct option is (B): $\frac{\pi}{4}$