If a0 =al =a in the Robin problem, show that: (a) There
Chapter 4, Problem 4.3.6(choose chapter or problem)
If a0 =al =a in the Robin problem, show that: (a) There are no negative eigenvalues if a 0, there is one if 2/l < a < 0, and there are two if a < 2/l. (b) Zero is an eigenvalue if and only if a =0ora = 2/l.
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