Fourth Homework

Quantum Mechanics

Textbook Problems: 41-38, 41-39, 41-41, 41-43, 41-53.

Math: Problem 41-46. By using your notes from our Problem Session 5, show that:

$$\int ^\infty _0 \frac{x^3}{\exp{x} -1} dx = \frac{\pi^4}{15}$$ (1)