Assignment 4

Math 460

Quiz 4

Show all the work.

1)(10 points) Using the equation (6) in page 569 of our text, obtain the solution of

in integral form satisfying the initial condition .

2) (10 points) Represent by the double Fourier series

.

3)(20 points) Find the deflection of the square membrane of side and c^2=1 for initial

velocity and initial deflection .