Consider the boundary-value problem given in (1), (2), and
Chapter 12, Problem 12.1.67(choose chapter or problem)
Consider the boundary-value problem given in (1), (2), and (3) of this section. If g(x) 0 for 0 x L, show that the solution of the problem can be written as . [Hint: Use the identity 2 sin u1 cos u 2 sin(u1 u2) sin(u1 u 2).]
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