The Bessel function of order 0 is (a) Show that the series converges for all (b) Show

Chapter 9, Problem 71

(choose chapter or problem)

Bessel Function The Bessel function of order 0 is

\(J_{0}(x)=\sum_{k=0}^{\infty} \frac{(-1)^{k} x^{2 k}}{2^{2 k}(k !)^{2}}\)

(a) Show that the series converges for all x.

(b) Show that the series is a solution of the differential equation \(x^{2} J_{0}^{\prime \prime}+x J_{0}^{\prime}+x^{2} J_{0}=0\).

(c) Use a graphing utility to graph the polynomial composed of the first four terms of \(J_{0}\).

(d) Approximate \(\int_{0}^{1} J_{0} d x\) accurate to two decimal places.

Text Transcription:

J_0 (x) = sum_k = 0 ^infty  (-1)^k x^2k / 2^2k (k!)^2

x^2 J_0 ^prime prime + x J_0 ^prime + x^2  J_0 = 0

J_0

int_0 ^1  J_0 dx

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