y'''' -6y'''+9y''=x

i take y_p=ax+b

i get 0=x

so i cant find the a ,b for the solution

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- December 8th 2010, 07:25 AMtransgalacticparticular solution of high order 2d
y'''' -6y'''+9y''=x

i take y_p=ax+b

i get 0=x

so i cant find the a ,b for the solution - December 8th 2010, 07:40 AMTheEmptySet
- December 8th 2010, 11:08 AMtransgalactic
what are they laws tieing the homogeneus and the practical solutions?

i we have also (r-3)^2 thing

why its not changing the particular solution too

?

whats the general theory on think link thing

?

i dont know how to search it on google - December 8th 2010, 02:23 PMTheEmptySet
Try this link, it may help.

The Method of Undetermined Coefficients

Also try google Method of undetermined coeffients.