Unformatted text preview: answer. (a) The series ∑ ∞ n =1 (1) n n a is always convergent, no matter what positive real number a is. (b) If in a Frobenius equation, we have q ( x ) = e x /x 2 , then 0 is a regular singular point of that equation. (c) If a function is of exponential order, then its Laplacian exists. 1...
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 Spring '08
 DUDLEY
 Debt, ORDINARY DIFFERENTIAL EQUATIONS, Complex number, Frobenius method

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