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Engineering Math
Homework 7
Spring 2009
(due Thursday, April 2)
Consider the following differential equation.
B C &BC Ð$B %ÑCœ!
B œ!
#w
w
w
$
!
(1)
Explain briefly why a series approach (rather than the characteristic equation) must be used
to solve this differential equation.
(2)
Explain briefly why the Frobenius method (rather than the power series method) must be
used.
(3)
Find the roots of the indicial equation.
(4)
Write out the form
which the basis solutions
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 Fall '08
 Hastings

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