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oswald

Member

Registered: 2008-02-20

Posts: 3

Maclaurin serie

Let us take the first three non-zero terms of Maclaurin's expansion of
f(x)= Asen(ax) + Bcos(ax).
Determine for which values of a the equation f ' '(x) + f(x) = 0.

oswald

Member

Registered: 2008-02-20

Posts: 3

Re: Maclaurin serie

i found the answer in
http://www.physicsforums.com/showthread.php?p=1618821&posted=1#post1618821