Consider the DE y"(x) + p(x)y'(x) + q(x) y(x) = 0. %3D The corresponding "normal form" DE is 1 1 u"(x) + Q(x)u(x) = 0, where Q(x) = q(x) – p(x)' P(x)? %3D %3D (a) The Bessel DE of order 1 is x y" + xy'+ (x-1) y = 0. %3D Find its normal form DE. (b) Explain why the distance between successive zeros of any nontrivial solution of this DE must be greater than T. (Refer to one of the Sturm theorems.)

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Consider the DE y"(x) + p(x)y'(x) + q(x) y(x) = 0.
The corresponding "normal form" DE
is
1
1
u"(x) + Q(x)u(x) = 0, where Q(x) = q(x) – p(x)* - p'(x) .
4
(a) The Bessel DE Of order 1 is
x' y" + xy'+ (x² – 1) y = 0.
%3D
Find its normal form DE.
(b) Explain why the distance between successive zeros of
any nontrivial solution of this DE must be greater
than T.
(Refer to one of the Sturm theorems.)
Transcribed Image Text:Consider the DE y"(x) + p(x)y'(x) + q(x) y(x) = 0. The corresponding "normal form" DE is 1 1 u"(x) + Q(x)u(x) = 0, where Q(x) = q(x) – p(x)* - p'(x) . 4 (a) The Bessel DE Of order 1 is x' y" + xy'+ (x² – 1) y = 0. %3D Find its normal form DE. (b) Explain why the distance between successive zeros of any nontrivial solution of this DE must be greater than T. (Refer to one of the Sturm theorems.)
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